20541264

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5417}}^1$

素因数の和:5507

約数の個数: 40

約数和(自身を含む): 53746560

約数和(自身を除く): 33205296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5417, 10834, 16251, 21668, 32502, 43336, 65004, 86672, 130008, 260016, 427943, 855886, 1283829, 1711772, 2567658, 3423544, 5135316, 6847088, 10270632, 20541264]

約数ペア:

[(1, 20541264), (2, 10270632), (3, 6847088), (4, 5135316), (6, 3423544), (8, 2567658), (12, 1711772), (16, 1283829), (24, 855886), (48, 427943), (79, 260016), (158, 130008), (237, 86672), (316, 65004), (474, 43336), (632, 32502), (948, 21668), (1264, 16251), (1896, 10834), (3792, 5417)]