20992610

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 38761200

約数和(自身を除く): 17768590

約数列:

[1, 2, 5, 10, 73, 146, 149, 193, 298, 365, 386, 730, 745, 965, 1490, 1930, 10877, 14089, 21754, 28178, 28757, 54385, 57514, 70445, 108770, 140890, 143785, 287570, 2099261, 4198522, 10496305, 20992610]

約数ペア:

[(1, 20992610), (2, 10496305), (5, 4198522), (10, 2099261), (73, 287570), (146, 143785), (149, 140890), (193, 108770), (298, 70445), (365, 57514), (386, 54385), (730, 28757), (745, 28178), (965, 21754), (1490, 14089), (1930, 10877)]