20174786120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1\times {\mathrm{4243}}^1$

素因数の和:8382

約数の個数: 64

約数和(自身を含む): 46981080000

約数和(自身を除く): 26806293880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 4099, 4243, 8198, 8486, 16396, 16972, 20495, 21215, 32792, 33944, 40990, 42430, 81980, 84860, 118871, 123047, 163960, 169720, 237742, 246094, 475484, 492188, 594355, 615235, 950968, 984376, 1188710, 1230470, 2377420, 2460940, 4754840, 4921880, 17392057, 34784114, 69568228, 86960285, 139136456, 173920570, 347841140, 504369653, 695682280, 1008739306, 2017478612, 2521848265, 4034957224, 5043696530, 10087393060, 20174786120]

約数ペア:

[(1, 20174786120), (2, 10087393060), (4, 5043696530), (5, 4034957224), (8, 2521848265), (10, 2017478612), (20, 1008739306), (29, 695682280), (40, 504369653), (58, 347841140), (116, 173920570), (145, 139136456), (232, 86960285), (290, 69568228), (580, 34784114), (1160, 17392057), (4099, 4921880), (4243, 4754840), (8198, 2460940), (8486, 2377420), (16396, 1230470), (16972, 1188710), (20495, 984376), (21215, 950968), (32792, 615235), (33944, 594355), (40990, 492188), (42430, 475484), (81980, 246094), (84860, 237742), (118871, 169720), (123047, 163960)]