20429664

素因数分解:

$2^5\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 54048960

約数和(自身を除く): 33619296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 139, 278, 417, 556, 834, 1112, 1531, 1668, 2224, 3062, 3336, 4448, 4593, 6124, 6672, 9186, 12248, 13344, 18372, 24496, 36744, 48992, 73488, 146976, 212809, 425618, 638427, 851236, 1276854, 1702472, 2553708, 3404944, 5107416, 6809888, 10214832, 20429664]

約数ペア:

[(1, 20429664), (2, 10214832), (3, 6809888), (4, 5107416), (6, 3404944), (8, 2553708), (12, 1702472), (16, 1276854), (24, 851236), (32, 638427), (48, 425618), (96, 212809), (139, 146976), (278, 73488), (417, 48992), (556, 36744), (834, 24496), (1112, 18372), (1531, 13344), (1668, 12248), (2224, 9186), (3062, 6672), (3336, 6124), (4448, 4593)]