20736065

素因数分解:

$5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 8812735

約数列:

[1, 5, 7, 35, 49, 107, 113, 245, 343, 535, 565, 749, 791, 1715, 3745, 3955, 5243, 5537, 12091, 26215, 27685, 36701, 38759, 60455, 84637, 183505, 193795, 423185, 592459, 2962295, 4147213, 20736065]

約数ペア:

[(1, 20736065), (5, 4147213), (7, 2962295), (35, 592459), (49, 423185), (107, 193795), (113, 183505), (245, 84637), (343, 60455), (535, 38759), (565, 36701), (749, 27685), (791, 26215), (1715, 12091), (3745, 5537), (3955, 5243)]