20346877280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4102193}}^1$

素因数の和:4102239

約数の個数: 48

約数和(自身を含む): 49620138624

約数和(自身を除く): 29273261344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 4102193, 8204386, 16408772, 20510965, 32817544, 41021930, 65635088, 82043860, 127167983, 131270176, 164087720, 254335966, 328175440, 508671932, 635839915, 656350880, 1017343864, 1271679830, 2034687728, 2543359660, 4069375456, 5086719320, 10173438640, 20346877280]

約数ペア:

[(1, 20346877280), (2, 10173438640), (4, 5086719320), (5, 4069375456), (8, 2543359660), (10, 2034687728), (16, 1271679830), (20, 1017343864), (31, 656350880), (32, 635839915), (40, 508671932), (62, 328175440), (80, 254335966), (124, 164087720), (155, 131270176), (160, 127167983), (248, 82043860), (310, 65635088), (496, 41021930), (620, 32817544), (992, 20510965), (1240, 16408772), (2480, 8204386), (4960, 4102193)]