20187172070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{32507}}^1$

素因数の和:32825

約数の個数: 64

約数和(自身を含む): 41582673216

約数和(自身を除く): 21395501146

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 281, 442, 562, 1105, 1405, 2210, 2810, 3653, 4777, 7306, 9554, 18265, 23885, 32507, 36530, 47770, 62101, 65014, 124202, 162535, 310505, 325070, 422591, 552619, 621010, 845182, 1105238, 2112955, 2763095, 4225910, 5526190, 7184047, 9134467, 14368094, 18268934, 35920235, 45672335, 71840470, 91344670, 118748071, 155285939, 237496142, 310571878, 593740355, 776429695, 1187480710, 1552859390, 2018717207, 4037434414, 10093586035, 20187172070]

約数ペア:

[(1, 20187172070), (2, 10093586035), (5, 4037434414), (10, 2018717207), (13, 1552859390), (17, 1187480710), (26, 776429695), (34, 593740355), (65, 310571878), (85, 237496142), (130, 155285939), (170, 118748071), (221, 91344670), (281, 71840470), (442, 45672335), (562, 35920235), (1105, 18268934), (1405, 14368094), (2210, 9134467), (2810, 7184047), (3653, 5526190), (4777, 4225910), (7306, 2763095), (9554, 2112955), (18265, 1105238), (23885, 845182), (32507, 621010), (36530, 552619), (47770, 422591), (62101, 325070), (65014, 310505), (124202, 162535)]