20671854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15877}}^1$

素因数の和:15920

約数の個数: 32

約数和(自身を含む): 48777216

約数和(自身を除く): 28105362

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15877, 31754, 47631, 95262, 111139, 222278, 333417, 492187, 666834, 984374, 1476561, 2953122, 3445309, 6890618, 10335927, 20671854]

約数ペア:

[(1, 20671854), (2, 10335927), (3, 6890618), (6, 3445309), (7, 2953122), (14, 1476561), (21, 984374), (31, 666834), (42, 492187), (62, 333417), (93, 222278), (186, 111139), (217, 95262), (434, 47631), (651, 31754), (1302, 15877)]