20921582220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{32579}}^1$

素因数の和:32748

約数の個数: 192

約数和(自身を含む): 73563033600

約数和(自身を除く): 52641451380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 139, 140, 154, 165, 210, 220, 231, 278, 308, 330, 385, 417, 420, 462, 556, 660, 695, 770, 834, 924, 973, 1155, 1390, 1529, 1540, 1668, 1946, 2085, 2310, 2780, 2919, 3058, 3892, 4170, 4587, 4620, 4865, 5838, 6116, 7645, 8340, 9174, 9730, 10703, 11676, 14595, 15290, 18348, 19460, 21406, 22935, 29190, 30580, 32109, 32579, 42812, 45870, 53515, 58380, 64218, 65158, 91740, 97737, 107030, 128436, 130316, 160545, 162895, 195474, 214060, 228053, 321090, 325790, 358369, 390948, 456106, 488685, 642180, 651580, 684159, 716738, 912212, 977370, 1075107, 1140265, 1368318, 1433476, 1791845, 1954740, 2150214, 2280530, 2508583, 2736636, 3420795, 3583690, 4300428, 4528481, 4561060, 5017166, 5375535, 6841590, 7167380, 7525749, 9056962, 10034332, 10751070, 12542915, 13585443, 13683180, 15051498, 18113924, 21502140, 22642405, 25085830, 27170886, 30102996, 31699367, 37628745, 45284810, 49813291, 50171660, 54341772, 63398734, 67927215, 75257490, 90569620, 95098101, 99626582, 126797468, 135854430, 149439873, 150514980, 158496835, 190196202, 199253164, 249066455, 271708860, 298879746, 316993670, 348693037, 380392404, 475490505, 498132910, 597759492, 633987340, 697386074, 747199365, 950981010, 996265820, 1046079111, 1394772148, 1494398730, 1743465185, 1901962020, 2092158222, 2988797460, 3486930370, 4184316444, 5230395555, 6973860740, 10460791110, 20921582220]

約数ペア:

[(1, 20921582220), (2, 10460791110), (3, 6973860740), (4, 5230395555), (5, 4184316444), (6, 3486930370), (7, 2988797460), (10, 2092158222), (11, 1901962020), (12, 1743465185), (14, 1494398730), (15, 1394772148), (20, 1046079111), (21, 996265820), (22, 950981010), (28, 747199365), (30, 697386074), (33, 633987340), (35, 597759492), (42, 498132910), (44, 475490505), (55, 380392404), (60, 348693037), (66, 316993670), (70, 298879746), (77, 271708860), (84, 249066455), (105, 199253164), (110, 190196202), (132, 158496835), (139, 150514980), (140, 149439873), (154, 135854430), (165, 126797468), (210, 99626582), (220, 95098101), (231, 90569620), (278, 75257490), (308, 67927215), (330, 63398734), (385, 54341772), (417, 50171660), (420, 49813291), (462, 45284810), (556, 37628745), (660, 31699367), (695, 30102996), (770, 27170886), (834, 25085830), (924, 22642405), (973, 21502140), (1155, 18113924), (1390, 15051498), (1529, 13683180), (1540, 13585443), (1668, 12542915), (1946, 10751070), (2085, 10034332), (2310, 9056962), (2780, 7525749), (2919, 7167380), (3058, 6841590), (3892, 5375535), (4170, 5017166), (4587, 4561060), (4620, 4528481), (4865, 4300428), (5838, 3583690), (6116, 3420795), (7645, 2736636), (8340, 2508583), (9174, 2280530), (9730, 2150214), (10703, 1954740), (11676, 1791845), (14595, 1433476), (15290, 1368318), (18348, 1140265), (19460, 1075107), (21406, 977370), (22935, 912212), (29190, 716738), (30580, 684159), (32109, 651580), (32579, 642180), (42812, 488685), (45870, 456106), (53515, 390948), (58380, 358369), (64218, 325790), (65158, 321090), (91740, 228053), (97737, 214060), (107030, 195474), (128436, 162895), (130316, 160545)]