20484840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170707}}^1$

素因数の和:170721

約数の個数: 32

約数和(自身を含む): 61454880

約数和(自身を除く): 40970040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170707, 341414, 512121, 682828, 853535, 1024242, 1365656, 1707070, 2048484, 2560605, 3414140, 4096968, 5121210, 6828280, 10242420, 20484840]

約数ペア:

[(1, 20484840), (2, 10242420), (3, 6828280), (4, 5121210), (5, 4096968), (6, 3414140), (8, 2560605), (10, 2048484), (12, 1707070), (15, 1365656), (20, 1024242), (24, 853535), (30, 682828), (40, 512121), (60, 341414), (120, 170707)]