20809765712

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{1223}}^1\times {\mathrm{36671}}^1$

素因数の和:37931

約数の個数: 40

約数和(自身を含む): 41744471040

約数和(自身を除く): 20934705328

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 1223, 2446, 4892, 9784, 19568, 35467, 36671, 70934, 73342, 141868, 146684, 283736, 293368, 567472, 586736, 1063459, 2126918, 4253836, 8507672, 17015344, 44848633, 89697266, 179394532, 358789064, 717578128, 1300610357, 2601220714, 5202441428, 10404882856, 20809765712]

約数ペア:

[(1, 20809765712), (2, 10404882856), (4, 5202441428), (8, 2601220714), (16, 1300610357), (29, 717578128), (58, 358789064), (116, 179394532), (232, 89697266), (464, 44848633), (1223, 17015344), (2446, 8507672), (4892, 4253836), (9784, 2126918), (19568, 1063459), (35467, 586736), (36671, 567472), (70934, 293368), (73342, 283736), (141868, 146684)]