20931421108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2099}}^1$

素因数の和:2297

約数の個数: 96

約数和(自身を含む): 41667091200

約数和(自身を除く): 20735670092

約数列:

[1, 2, 4, 13, 26, 37, 52, 71, 73, 74, 142, 146, 148, 284, 292, 481, 923, 949, 962, 1846, 1898, 1924, 2099, 2627, 2701, 3692, 3796, 4198, 5183, 5254, 5402, 8396, 10366, 10508, 10804, 20732, 27287, 34151, 35113, 54574, 67379, 68302, 70226, 77663, 109148, 134758, 136604, 140452, 149029, 153227, 155326, 191771, 269516, 298058, 306454, 310652, 383542, 596116, 612908, 767084, 1009619, 1937377, 1991951, 2019238, 2493023, 3874754, 3983902, 4038476, 4986046, 5514073, 5669399, 7749508, 7967804, 9972092, 10879117, 11028146, 11338798, 21758234, 22056292, 22677596, 43516468, 71682949, 73702187, 141428521, 143365898, 147404374, 282857042, 286731796, 294808748, 402527329, 565714084, 805054658, 1610109316, 5232855277, 10465710554, 20931421108]

約数ペア:

[(1, 20931421108), (2, 10465710554), (4, 5232855277), (13, 1610109316), (26, 805054658), (37, 565714084), (52, 402527329), (71, 294808748), (73, 286731796), (74, 282857042), (142, 147404374), (146, 143365898), (148, 141428521), (284, 73702187), (292, 71682949), (481, 43516468), (923, 22677596), (949, 22056292), (962, 21758234), (1846, 11338798), (1898, 11028146), (1924, 10879117), (2099, 9972092), (2627, 7967804), (2701, 7749508), (3692, 5669399), (3796, 5514073), (4198, 4986046), (5183, 4038476), (5254, 3983902), (5402, 3874754), (8396, 2493023), (10366, 2019238), (10508, 1991951), (10804, 1937377), (20732, 1009619), (27287, 767084), (34151, 612908), (35113, 596116), (54574, 383542), (67379, 310652), (68302, 306454), (70226, 298058), (77663, 269516), (109148, 191771), (134758, 155326), (136604, 153227), (140452, 149029)]