20144450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3989}}^1$

素因数の和:4102

約数の個数: 24

約数和(自身を含む): 37849140

約数和(自身を除く): 17704690

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 3989, 5050, 7978, 19945, 39890, 99725, 199450, 402889, 805778, 2014445, 4028890, 10072225, 20144450]

約数ペア:

[(1, 20144450), (2, 10072225), (5, 4028890), (10, 2014445), (25, 805778), (50, 402889), (101, 199450), (202, 99725), (505, 39890), (1010, 19945), (2525, 7978), (3989, 5050)]