20858902280

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{926239}}^1$

素因数の和:926813

約数の個数: 32

約数和(自身を含む): 47015942400

約数和(自身を除く): 26157040120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 11260, 22520, 926239, 1852478, 3704956, 4631195, 7409912, 9262390, 18524780, 37049560, 521472557, 1042945114, 2085890228, 2607362785, 4171780456, 5214725570, 10429451140, 20858902280]

約数ペア:

[(1, 20858902280), (2, 10429451140), (4, 5214725570), (5, 4171780456), (8, 2607362785), (10, 2085890228), (20, 1042945114), (40, 521472557), (563, 37049560), (1126, 18524780), (2252, 9262390), (2815, 7409912), (4504, 4631195), (5630, 3704956), (11260, 1852478), (22520, 926239)]