20656823710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{193979}}^1$

素因数の和:194472

約数の個数: 32

約数和(自身を含む): 38882903040

約数和(自身を除く): 18226079330

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 463, 926, 2315, 4630, 10649, 21298, 53245, 106490, 193979, 387958, 969895, 1939790, 4461517, 8923034, 22307585, 44615170, 89812277, 179624554, 449061385, 898122770, 2065682371, 4131364742, 10328411855, 20656823710]

約数ペア:

[(1, 20656823710), (2, 10328411855), (5, 4131364742), (10, 2065682371), (23, 898122770), (46, 449061385), (115, 179624554), (230, 89812277), (463, 44615170), (926, 22307585), (2315, 8923034), (4630, 4461517), (10649, 1939790), (21298, 969895), (53245, 387958), (106490, 193979)]