17220980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{123007}}^1$

素因数の和:123023

約数の個数: 24

約数和(自身を含む): 41330688

約数和(自身を除く): 24109708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 123007, 246014, 492028, 615035, 861049, 1230070, 1722098, 2460140, 3444196, 4305245, 8610490, 17220980]

約数ペア:

[(1, 17220980), (2, 8610490), (4, 4305245), (5, 3444196), (7, 2460140), (10, 1722098), (14, 1230070), (20, 861049), (28, 615035), (35, 492028), (70, 246014), (140, 123007)]