20895144

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16427}}^1$

素因数の和:16489

約数の個数: 32

約数和(自身を含む): 53226720

約数和(自身を除く): 32331576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16427, 32854, 49281, 65708, 98562, 131416, 197124, 394248, 870631, 1741262, 2611893, 3482524, 5223786, 6965048, 10447572, 20895144]

約数ペア:

[(1, 20895144), (2, 10447572), (3, 6965048), (4, 5223786), (6, 3482524), (8, 2611893), (12, 1741262), (24, 870631), (53, 394248), (106, 197124), (159, 131416), (212, 98562), (318, 65708), (424, 49281), (636, 32854), (1272, 16427)]