20055100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15427}}^1$

素因数の和:15454

約数の個数: 36

約数和(自身を含む): 46870264

約数和(自身を除く): 26815164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15427, 30854, 61708, 77135, 154270, 200551, 308540, 385675, 401102, 771350, 802204, 1002755, 1542700, 2005510, 4011020, 5013775, 10027550, 20055100]

約数ペア:

[(1, 20055100), (2, 10027550), (4, 5013775), (5, 4011020), (10, 2005510), (13, 1542700), (20, 1002755), (25, 802204), (26, 771350), (50, 401102), (52, 385675), (65, 308540), (100, 200551), (130, 154270), (260, 77135), (325, 61708), (650, 30854), (1300, 15427)]