20357565

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 14012355

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 883, 1537, 2649, 4415, 4611, 7685, 13245, 23055, 25607, 46799, 76821, 128035, 140397, 233995, 384105, 701985, 1357171, 4071513, 6785855, 20357565]

約数ペア:

[(1, 20357565), (3, 6785855), (5, 4071513), (15, 1357171), (29, 701985), (53, 384105), (87, 233995), (145, 140397), (159, 128035), (265, 76821), (435, 46799), (795, 25607), (883, 23055), (1537, 13245), (2649, 7685), (4415, 4611)]