20961430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4909}}^1$

素因数の和:4984

約数の個数: 32

約数和(自身を含む): 43836480

約数和(自身を除く): 22875050

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4909, 9818, 24545, 34363, 49090, 68726, 171815, 299449, 343630, 598898, 1497245, 2096143, 2994490, 4192286, 10480715, 20961430]

約数ペア:

[(1, 20961430), (2, 10480715), (5, 4192286), (7, 2994490), (10, 2096143), (14, 1497245), (35, 598898), (61, 343630), (70, 299449), (122, 171815), (305, 68726), (427, 49090), (610, 34363), (854, 24545), (2135, 9818), (4270, 4909)]