20170352620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{54541}}^1$

素因数の和:54643

約数の個数: 72

約数和(自身を含む): 47363836464

約数和(自身を除く): 27193483844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1681, 1804, 2255, 3362, 4510, 6724, 8405, 9020, 16810, 18491, 33620, 36982, 54541, 73964, 92455, 109082, 184910, 218164, 272705, 369820, 545410, 599951, 1090820, 1199902, 2236181, 2399804, 2999755, 4472362, 5999510, 8944724, 11180905, 11999020, 22361810, 24597991, 44723620, 49195982, 91683421, 98391964, 122989955, 183366842, 245979910, 366733684, 458417105, 491959820, 916834210, 1008517631, 1833668420, 2017035262, 4034070524, 5042588155, 10085176310, 20170352620]

約数ペア:

[(1, 20170352620), (2, 10085176310), (4, 5042588155), (5, 4034070524), (10, 2017035262), (11, 1833668420), (20, 1008517631), (22, 916834210), (41, 491959820), (44, 458417105), (55, 366733684), (82, 245979910), (110, 183366842), (164, 122989955), (205, 98391964), (220, 91683421), (410, 49195982), (451, 44723620), (820, 24597991), (902, 22361810), (1681, 11999020), (1804, 11180905), (2255, 8944724), (3362, 5999510), (4510, 4472362), (6724, 2999755), (8405, 2399804), (9020, 2236181), (16810, 1199902), (18491, 1090820), (33620, 599951), (36982, 545410), (54541, 369820), (73964, 272705), (92455, 218164), (109082, 184910)]