20896250

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 40

約数和(自身を含む): 39877860

約数和(自身を除く): 18981610

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 229, 250, 365, 458, 625, 730, 1145, 1250, 1825, 2290, 3650, 5725, 9125, 11450, 16717, 18250, 28625, 33434, 45625, 57250, 83585, 91250, 143125, 167170, 286250, 417925, 835850, 2089625, 4179250, 10448125, 20896250]

約数ペア:

[(1, 20896250), (2, 10448125), (5, 4179250), (10, 2089625), (25, 835850), (50, 417925), (73, 286250), (125, 167170), (146, 143125), (229, 91250), (250, 83585), (365, 57250), (458, 45625), (625, 33434), (730, 28625), (1145, 18250), (1250, 16717), (1825, 11450), (2290, 9125), (3650, 5725)]