22516420

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2081}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 47394648

約数和(自身を除く): 24878228

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2081, 2164, 2705, 4162, 5410, 8324, 10405, 10820, 20810, 41620, 1125821, 2251642, 4503284, 5629105, 11258210, 22516420]

約数ペア:

[(1, 22516420), (2, 11258210), (4, 5629105), (5, 4503284), (10, 2251642), (20, 1125821), (541, 41620), (1082, 20810), (2081, 10820), (2164, 10405), (2705, 8324), (4162, 5410)]