20164838043

素因数分解:

$3^1\times 7^2\times {\mathrm{683}}^1\times {\mathrm{200843}}^1$

素因数の和:201543

約数の個数: 24

約数和(自身を含む): 31322023488

約数和(自身を除く): 11157185445

約数列:

[1, 3, 7, 21, 49, 147, 683, 2049, 4781, 14343, 33467, 100401, 200843, 602529, 1405901, 4217703, 9841307, 29523921, 137175769, 411527307, 960230383, 2880691149, 6721612681, 20164838043]

約数ペア:

[(1, 20164838043), (3, 6721612681), (7, 2880691149), (21, 960230383), (49, 411527307), (147, 137175769), (683, 29523921), (2049, 9841307), (4781, 4217703), (14343, 1405901), (33467, 602529), (100401, 200843)]