20197808620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{2141}}^1$

素因数の和:2611

約数の個数: 96

約数和(自身を含む): 46779840576

約数和(自身を除く): 26582031956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 313, 548, 626, 685, 1252, 1370, 1507, 1565, 2141, 2740, 3014, 3130, 3443, 4282, 6028, 6260, 6886, 7535, 8564, 10705, 13772, 15070, 17215, 21410, 23551, 30140, 34430, 42820, 42881, 47102, 68860, 85762, 94204, 117755, 171524, 214405, 235510, 293317, 428810, 471020, 471691, 586634, 670133, 857620, 943382, 1173268, 1340266, 1466585, 1886764, 2358455, 2680532, 2933170, 3226487, 3350665, 4716910, 5866340, 6452974, 6701330, 7371463, 9433820, 12905948, 13402660, 14742926, 16132435, 29485852, 32264870, 36857315, 64529740, 73714630, 91808221, 147429260, 183616442, 367232884, 459041105, 918082210, 1009890431, 1836164420, 2019780862, 4039561724, 5049452155, 10098904310, 20197808620]

約数ペア:

[(1, 20197808620), (2, 10098904310), (4, 5049452155), (5, 4039561724), (10, 2019780862), (11, 1836164420), (20, 1009890431), (22, 918082210), (44, 459041105), (55, 367232884), (110, 183616442), (137, 147429260), (220, 91808221), (274, 73714630), (313, 64529740), (548, 36857315), (626, 32264870), (685, 29485852), (1252, 16132435), (1370, 14742926), (1507, 13402660), (1565, 12905948), (2141, 9433820), (2740, 7371463), (3014, 6701330), (3130, 6452974), (3443, 5866340), (4282, 4716910), (6028, 3350665), (6260, 3226487), (6886, 2933170), (7535, 2680532), (8564, 2358455), (10705, 1886764), (13772, 1466585), (15070, 1340266), (17215, 1173268), (21410, 943382), (23551, 857620), (30140, 670133), (34430, 586634), (42820, 471691), (42881, 471020), (47102, 428810), (68860, 293317), (85762, 235510), (94204, 214405), (117755, 171524)]