20444650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9973}}^1$

素因数の和:10026

約数の個数: 24

約数和(自身を含む): 38958444

約数和(自身を除く): 18513794

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9973, 19946, 49865, 99730, 249325, 408893, 498650, 817786, 2044465, 4088930, 10222325, 20444650]

約数ペア:

[(1, 20444650), (2, 10222325), (5, 4088930), (10, 2044465), (25, 817786), (41, 498650), (50, 408893), (82, 249325), (205, 99730), (410, 49865), (1025, 19946), (2050, 9973)]