20180867536

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{291901}}^1$

素因数の和:292087

約数の個数: 40

約数和(自身を含む): 40720329000

約数和(自身を除く): 20539461464

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 149, 232, 298, 464, 596, 1192, 2384, 4321, 8642, 17284, 34568, 69136, 291901, 583802, 1167604, 2335208, 4670416, 8465129, 16930258, 33860516, 43493249, 67721032, 86986498, 135442064, 173972996, 347945992, 695891984, 1261304221, 2522608442, 5045216884, 10090433768, 20180867536]

約数ペア:

[(1, 20180867536), (2, 10090433768), (4, 5045216884), (8, 2522608442), (16, 1261304221), (29, 695891984), (58, 347945992), (116, 173972996), (149, 135442064), (232, 86986498), (298, 67721032), (464, 43493249), (596, 33860516), (1192, 16930258), (2384, 8465129), (4321, 4670416), (8642, 2335208), (17284, 1167604), (34568, 583802), (69136, 291901)]