20934500

素因数分解:

$2^2\times 5^3\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 46191600

約数和(自身を除く): 25257100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 149, 250, 281, 298, 500, 562, 596, 745, 1124, 1405, 1490, 2810, 2980, 3725, 5620, 7025, 7450, 14050, 14900, 18625, 28100, 35125, 37250, 41869, 70250, 74500, 83738, 140500, 167476, 209345, 418690, 837380, 1046725, 2093450, 4186900, 5233625, 10467250, 20934500]

約数ペア:

[(1, 20934500), (2, 10467250), (4, 5233625), (5, 4186900), (10, 2093450), (20, 1046725), (25, 837380), (50, 418690), (100, 209345), (125, 167476), (149, 140500), (250, 83738), (281, 74500), (298, 70250), (500, 41869), (562, 37250), (596, 35125), (745, 28100), (1124, 18625), (1405, 14900), (1490, 14050), (2810, 7450), (2980, 7025), (3725, 5620)]