20444950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21521}}^1$

素因数の和:21552

約数の個数: 24

約数和(自身を含む): 40030920

約数和(自身を除く): 19585970

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21521, 43042, 107605, 215210, 408899, 538025, 817798, 1076050, 2044495, 4088990, 10222475, 20444950]

約数ペア:

[(1, 20444950), (2, 10222475), (5, 4088990), (10, 2044495), (19, 1076050), (25, 817798), (38, 538025), (50, 408899), (95, 215210), (190, 107605), (475, 43042), (950, 21521)]