20891704893

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{767203}}^1$

素因数の和:767548

約数の個数: 16

約数和(自身を含む): 28908246720

約数和(自身を除く): 8016541827

約数列:

[1, 3, 29, 87, 313, 939, 9077, 27231, 767203, 2301609, 22248887, 66746661, 240134539, 720403617, 6963901631, 20891704893]

約数ペア:

[(1, 20891704893), (3, 6963901631), (29, 720403617), (87, 240134539), (313, 66746661), (939, 22248887), (9077, 2301609), (27231, 767203)]