20551510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4813}}^1$

素因数の和:4888

約数の個数: 32

約数和(自身を含む): 42979392

約数和(自身を除く): 22427882

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4813, 9626, 24065, 33691, 48130, 67382, 168455, 293593, 336910, 587186, 1467965, 2055151, 2935930, 4110302, 10275755, 20551510]

約数ペア:

[(1, 20551510), (2, 10275755), (5, 4110302), (7, 2935930), (10, 2055151), (14, 1467965), (35, 587186), (61, 336910), (70, 293593), (122, 168455), (305, 67382), (427, 48130), (610, 33691), (854, 24065), (2135, 9626), (4270, 4813)]