20776730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2342

約数の個数: 32

約数和(自身を含む): 40860288

約数和(自身を除く): 20083558

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2251, 4502, 4615, 9230, 11255, 22510, 29263, 58526, 146315, 159821, 292630, 319642, 799105, 1598210, 2077673, 4155346, 10388365, 20776730]

約数ペア:

[(1, 20776730), (2, 10388365), (5, 4155346), (10, 2077673), (13, 1598210), (26, 799105), (65, 319642), (71, 292630), (130, 159821), (142, 146315), (355, 58526), (710, 29263), (923, 22510), (1846, 11255), (2251, 9230), (4502, 4615)]