20752370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 39571200

約数和(自身を除く): 18818830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 457, 478, 914, 1195, 2285, 2390, 4541, 4570, 8683, 9082, 17366, 22705, 43415, 45410, 86830, 109223, 218446, 546115, 1092230, 2075237, 4150474, 10376185, 20752370]

約数ペア:

[(1, 20752370), (2, 10376185), (5, 4150474), (10, 2075237), (19, 1092230), (38, 546115), (95, 218446), (190, 109223), (239, 86830), (457, 45410), (478, 43415), (914, 22705), (1195, 17366), (2285, 9082), (2390, 8683), (4541, 4570)]