20873230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9619}}^1$

素因数の和:9664

約数の個数: 32

約数和(自身を含む): 44328960

約数和(自身を除く): 23455730

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9619, 19238, 48095, 67333, 96190, 134666, 298189, 336665, 596378, 673330, 1490945, 2087323, 2981890, 4174646, 10436615, 20873230]

約数ペア:

[(1, 20873230), (2, 10436615), (5, 4174646), (7, 2981890), (10, 2087323), (14, 1490945), (31, 673330), (35, 596378), (62, 336665), (70, 298189), (155, 134666), (217, 96190), (310, 67333), (434, 48095), (1085, 19238), (2170, 9619)]