20857708512

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{733}}^1\times {\mathrm{3407}}^1$

素因数の和:4185

約数の個数: 144

約数和(自身を含む): 61461167040

約数和(自身を除く): 40603458528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 733, 928, 1044, 1392, 1466, 2088, 2199, 2784, 2932, 3407, 4176, 4398, 5864, 6597, 6814, 8352, 8796, 10221, 11728, 13194, 13628, 17592, 20442, 21257, 23456, 26388, 27256, 30663, 35184, 40884, 42514, 52776, 54512, 61326, 63771, 70368, 81768, 85028, 98803, 105552, 109024, 122652, 127542, 163536, 170056, 191313, 197606, 211104, 245304, 255084, 296409, 327072, 340112, 382626, 395212, 490608, 510168, 592818, 680224, 765252, 790424, 889227, 981216, 1020336, 1185636, 1530504, 1580848, 1778454, 2040672, 2371272, 2497331, 3061008, 3161696, 3556908, 4742544, 4994662, 6122016, 7113816, 7491993, 9485088, 9989324, 14227632, 14983986, 19978648, 22475979, 28455264, 29967972, 39957296, 44951958, 59935944, 72422599, 79914592, 89903916, 119871888, 144845198, 179807832, 217267797, 239743776, 289690396, 359615664, 434535594, 579380792, 651803391, 719231328, 869071188, 1158761584, 1303606782, 1738142376, 2317523168, 2607213564, 3476284752, 5214427128, 6952569504, 10428854256, 20857708512]

約数ペア:

[(1, 20857708512), (2, 10428854256), (3, 6952569504), (4, 5214427128), (6, 3476284752), (8, 2607213564), (9, 2317523168), (12, 1738142376), (16, 1303606782), (18, 1158761584), (24, 869071188), (29, 719231328), (32, 651803391), (36, 579380792), (48, 434535594), (58, 359615664), (72, 289690396), (87, 239743776), (96, 217267797), (116, 179807832), (144, 144845198), (174, 119871888), (232, 89903916), (261, 79914592), (288, 72422599), (348, 59935944), (464, 44951958), (522, 39957296), (696, 29967972), (733, 28455264), (928, 22475979), (1044, 19978648), (1392, 14983986), (1466, 14227632), (2088, 9989324), (2199, 9485088), (2784, 7491993), (2932, 7113816), (3407, 6122016), (4176, 4994662), (4398, 4742544), (5864, 3556908), (6597, 3161696), (6814, 3061008), (8352, 2497331), (8796, 2371272), (10221, 2040672), (11728, 1778454), (13194, 1580848), (13628, 1530504), (17592, 1185636), (20442, 1020336), (21257, 981216), (23456, 889227), (26388, 790424), (27256, 765252), (30663, 680224), (35184, 592818), (40884, 510168), (42514, 490608), (52776, 395212), (54512, 382626), (61326, 340112), (63771, 327072), (70368, 296409), (81768, 255084), (85028, 245304), (98803, 211104), (105552, 197606), (109024, 191313), (122652, 170056), (127542, 163536)]