20139968

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 56

約数和(自身を含む): 42958512

約数和(自身を除く): 22818544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 107, 136, 173, 214, 272, 346, 428, 544, 692, 856, 1088, 1384, 1712, 1819, 2768, 2941, 3424, 3638, 5536, 5882, 6848, 7276, 11072, 11764, 14552, 18511, 23528, 29104, 37022, 47056, 58208, 74044, 94112, 116416, 148088, 188224, 296176, 314687, 592352, 629374, 1184704, 1258748, 2517496, 5034992, 10069984, 20139968]

約数ペア:

[(1, 20139968), (2, 10069984), (4, 5034992), (8, 2517496), (16, 1258748), (17, 1184704), (32, 629374), (34, 592352), (64, 314687), (68, 296176), (107, 188224), (136, 148088), (173, 116416), (214, 94112), (272, 74044), (346, 58208), (428, 47056), (544, 37022), (692, 29104), (856, 23528), (1088, 18511), (1384, 14552), (1712, 11764), (1819, 11072), (2768, 7276), (2941, 6848), (3424, 5882), (3638, 5536)]