20303450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13099}}^1$

素因数の和:13142

約数の個数: 24

約数和(自身を含む): 38985600

約数和(自身を除く): 18682150

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13099, 26198, 65495, 130990, 327475, 406069, 654950, 812138, 2030345, 4060690, 10151725, 20303450]

約数ペア:

[(1, 20303450), (2, 10151725), (5, 4060690), (10, 2030345), (25, 812138), (31, 654950), (50, 406069), (62, 327475), (155, 130990), (310, 65495), (775, 26198), (1550, 13099)]