20320827320

素因数分解:

$2^3\times 5^1\times {\mathrm{3623}}^1\times {\mathrm{140221}}^1$

素因数の和:143855

約数の個数: 32

約数和(自身を含む): 45734807520

約数和(自身を除く): 25413980200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3623, 7246, 14492, 18115, 28984, 36230, 72460, 140221, 144920, 280442, 560884, 701105, 1121768, 1402210, 2804420, 5608840, 508020683, 1016041366, 2032082732, 2540103415, 4064165464, 5080206830, 10160413660, 20320827320]

約数ペア:

[(1, 20320827320), (2, 10160413660), (4, 5080206830), (5, 4064165464), (8, 2540103415), (10, 2032082732), (20, 1016041366), (40, 508020683), (3623, 5608840), (7246, 2804420), (14492, 1402210), (18115, 1121768), (28984, 701105), (36230, 560884), (72460, 280442), (140221, 144920)]