20911366940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:412

約数の個数: 192

約数和(自身を含む): 48696560640

約数和(自身を除く): 27785193700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 83, 95, 103, 157, 164, 166, 190, 205, 206, 314, 332, 380, 410, 412, 415, 515, 628, 779, 785, 820, 830, 1030, 1558, 1570, 1577, 1660, 1957, 2060, 2983, 3116, 3140, 3154, 3403, 3895, 3914, 4223, 5966, 6308, 6437, 6806, 7790, 7828, 7885, 8446, 8549, 9785, 11932, 12874, 13031, 13612, 14915, 15580, 15770, 16171, 16892, 17015, 17098, 19570, 21115, 25748, 26062, 29830, 31540, 32185, 32342, 34030, 34196, 39140, 42230, 42745, 52124, 59660, 64370, 64657, 64684, 65155, 68060, 80237, 80855, 84460, 85490, 122303, 128740, 129314, 130310, 160474, 161710, 162431, 170980, 244606, 247589, 258628, 260620, 307249, 320948, 323285, 323420, 324862, 350509, 401185, 489212, 495178, 534271, 611515, 614498, 646570, 649724, 663011, 701018, 802370, 812155, 990356, 1068542, 1223030, 1228996, 1237945, 1293140, 1326022, 1342193, 1402036, 1536245, 1604740, 1624310, 1752545, 2137084, 2446060, 2475890, 2652044, 2671355, 2684386, 3072490, 3248620, 3315055, 3505090, 4951780, 5342710, 5368772, 6144980, 6630110, 6659671, 6710965, 7010180, 10151149, 10685420, 12597209, 13260220, 13319342, 13421930, 20302298, 25194418, 25501667, 26638684, 26843860, 33298355, 40604596, 50388836, 50755745, 51003334, 55029913, 62986045, 66596710, 101511490, 102006668, 110059826, 125972090, 127508335, 133193420, 203022980, 220119652, 251944180, 255016670, 275149565, 510033340, 550299130, 1045568347, 1100598260, 2091136694, 4182273388, 5227841735, 10455683470, 20911366940]

約数ペア:

[(1, 20911366940), (2, 10455683470), (4, 5227841735), (5, 4182273388), (10, 2091136694), (19, 1100598260), (20, 1045568347), (38, 550299130), (41, 510033340), (76, 275149565), (82, 255016670), (83, 251944180), (95, 220119652), (103, 203022980), (157, 133193420), (164, 127508335), (166, 125972090), (190, 110059826), (205, 102006668), (206, 101511490), (314, 66596710), (332, 62986045), (380, 55029913), (410, 51003334), (412, 50755745), (415, 50388836), (515, 40604596), (628, 33298355), (779, 26843860), (785, 26638684), (820, 25501667), (830, 25194418), (1030, 20302298), (1558, 13421930), (1570, 13319342), (1577, 13260220), (1660, 12597209), (1957, 10685420), (2060, 10151149), (2983, 7010180), (3116, 6710965), (3140, 6659671), (3154, 6630110), (3403, 6144980), (3895, 5368772), (3914, 5342710), (4223, 4951780), (5966, 3505090), (6308, 3315055), (6437, 3248620), (6806, 3072490), (7790, 2684386), (7828, 2671355), (7885, 2652044), (8446, 2475890), (8549, 2446060), (9785, 2137084), (11932, 1752545), (12874, 1624310), (13031, 1604740), (13612, 1536245), (14915, 1402036), (15580, 1342193), (15770, 1326022), (16171, 1293140), (16892, 1237945), (17015, 1228996), (17098, 1223030), (19570, 1068542), (21115, 990356), (25748, 812155), (26062, 802370), (29830, 701018), (31540, 663011), (32185, 649724), (32342, 646570), (34030, 614498), (34196, 611515), (39140, 534271), (42230, 495178), (42745, 489212), (52124, 401185), (59660, 350509), (64370, 324862), (64657, 323420), (64684, 323285), (65155, 320948), (68060, 307249), (80237, 260620), (80855, 258628), (84460, 247589), (85490, 244606), (122303, 170980), (128740, 162431), (129314, 161710), (130310, 160474)]