20308100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6551}}^1$

素因数の和:6596

約数の個数: 36

約数和(自身を含む): 45497088

約数和(自身を除く): 25188988

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6551, 13102, 26204, 32755, 65510, 131020, 163775, 203081, 327550, 406162, 655100, 812324, 1015405, 2030810, 4061620, 5077025, 10154050, 20308100]

約数ペア:

[(1, 20308100), (2, 10154050), (4, 5077025), (5, 4061620), (10, 2030810), (20, 1015405), (25, 812324), (31, 655100), (50, 406162), (62, 327550), (100, 203081), (124, 163775), (155, 131020), (310, 65510), (620, 32755), (775, 26204), (1550, 13102), (3100, 6551)]