20977008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33617}}^1$

素因数の和:33641

約数の個数: 40

約数和(自身を含む): 58360848

約数和(自身を除く): 37383840

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33617, 67234, 100851, 134468, 201702, 268936, 403404, 437021, 537872, 806808, 874042, 1311063, 1613616, 1748084, 2622126, 3496168, 5244252, 6992336, 10488504, 20977008]

約数ペア:

[(1, 20977008), (2, 10488504), (3, 6992336), (4, 5244252), (6, 3496168), (8, 2622126), (12, 1748084), (13, 1613616), (16, 1311063), (24, 874042), (26, 806808), (39, 537872), (48, 437021), (52, 403404), (78, 268936), (104, 201702), (156, 134468), (208, 100851), (312, 67234), (624, 33617)]