20170852210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2971

約数の個数: 64

約数和(自身を含む): 37553725440

約数和(自身を除く): 17382873230

約数列:

[1, 2, 5, 10, 71, 97, 109, 142, 194, 218, 355, 485, 545, 710, 970, 1090, 2687, 5374, 6887, 7739, 10573, 13435, 13774, 15478, 21146, 26870, 34435, 38695, 52865, 68870, 77390, 105730, 190777, 260639, 292883, 381554, 521278, 585766, 750683, 953885, 1303195, 1464415, 1501366, 1907770, 2606390, 2928830, 3753415, 7506830, 18505369, 20794693, 28409651, 37010738, 41589386, 56819302, 92526845, 103973465, 142048255, 185053690, 207946930, 284096510, 2017085221, 4034170442, 10085426105, 20170852210]

約数ペア:

[(1, 20170852210), (2, 10085426105), (5, 4034170442), (10, 2017085221), (71, 284096510), (97, 207946930), (109, 185053690), (142, 142048255), (194, 103973465), (218, 92526845), (355, 56819302), (485, 41589386), (545, 37010738), (710, 28409651), (970, 20794693), (1090, 18505369), (2687, 7506830), (5374, 3753415), (6887, 2928830), (7739, 2606390), (10573, 1907770), (13435, 1501366), (13774, 1464415), (15478, 1303195), (21146, 953885), (26870, 750683), (34435, 585766), (38695, 521278), (52865, 381554), (68870, 292883), (77390, 260639), (105730, 190777)]