20798634052

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 43145625600

約数和(自身を除く): 22346991548

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 149, 172, 191, 298, 301, 382, 596, 602, 607, 764, 1043, 1204, 1214, 1337, 2086, 2428, 2674, 4172, 4249, 5348, 6407, 8213, 8498, 12814, 16426, 16996, 25628, 26101, 28459, 32852, 44849, 52202, 56918, 57491, 89698, 90443, 104404, 113836, 114982, 115937, 179396, 180886, 182707, 199213, 229964, 231874, 361772, 365414, 398426, 463748, 633101, 730828, 796852, 811559, 1223737, 1266202, 1623118, 2447474, 2532404, 3246236, 3889049, 4894948, 4985291, 7778098, 8566159, 9970582, 15556196, 17132318, 17274613, 19941164, 27223343, 34264636, 34549226, 34897037, 54446686, 69098452, 69794074, 108893372, 120922291, 139588148, 241844582, 483689164, 742808359, 1485616718, 2971233436, 5199658513, 10399317026, 20798634052]

約数ペア:

[(1, 20798634052), (2, 10399317026), (4, 5199658513), (7, 2971233436), (14, 1485616718), (28, 742808359), (43, 483689164), (86, 241844582), (149, 139588148), (172, 120922291), (191, 108893372), (298, 69794074), (301, 69098452), (382, 54446686), (596, 34897037), (602, 34549226), (607, 34264636), (764, 27223343), (1043, 19941164), (1204, 17274613), (1214, 17132318), (1337, 15556196), (2086, 9970582), (2428, 8566159), (2674, 7778098), (4172, 4985291), (4249, 4894948), (5348, 3889049), (6407, 3246236), (8213, 2532404), (8498, 2447474), (12814, 1623118), (16426, 1266202), (16996, 1223737), (25628, 811559), (26101, 796852), (28459, 730828), (32852, 633101), (44849, 463748), (52202, 398426), (56918, 365414), (57491, 361772), (89698, 231874), (90443, 229964), (104404, 199213), (113836, 182707), (114982, 180886), (115937, 179396)]