20842570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3769}}^1$

素因数の和:3862

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 22587830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3769, 5530, 7538, 18845, 26383, 37690, 52766, 131915, 263830, 297751, 595502, 1488755, 2084257, 2977510, 4168514, 10421285, 20842570]

約数ペア:

[(1, 20842570), (2, 10421285), (5, 4168514), (7, 2977510), (10, 2084257), (14, 1488755), (35, 595502), (70, 297751), (79, 263830), (158, 131915), (395, 52766), (553, 37690), (790, 26383), (1106, 18845), (2765, 7538), (3769, 5530)]