20512321101

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{52027}}^1$

素因数の和:52721

約数の個数: 24

約数和(自身を含む): 30095492544

約数和(自身を除く): 9583171443

約数列:

[1, 3, 9, 71, 213, 617, 639, 1851, 5553, 43807, 52027, 131421, 156081, 394263, 468243, 3693917, 11081751, 32100659, 33245253, 96301977, 288905931, 2279146789, 6837440367, 20512321101]

約数ペア:

[(1, 20512321101), (3, 6837440367), (9, 2279146789), (71, 288905931), (213, 96301977), (617, 33245253), (639, 32100659), (1851, 11081751), (5553, 3693917), (43807, 468243), (52027, 394263), (131421, 156081)]