20879248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2771

約数の個数: 40

約数和(自身を含む): 44759288

約数和(自身を除く): 23880040

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2713, 3848, 5426, 7696, 10852, 21704, 35269, 43408, 70538, 100381, 141076, 200762, 282152, 401524, 564304, 803048, 1304953, 1606096, 2609906, 5219812, 10439624, 20879248]

約数ペア:

[(1, 20879248), (2, 10439624), (4, 5219812), (8, 2609906), (13, 1606096), (16, 1304953), (26, 803048), (37, 564304), (52, 401524), (74, 282152), (104, 200762), (148, 141076), (208, 100381), (296, 70538), (481, 43408), (592, 35269), (962, 21704), (1924, 10852), (2713, 7696), (3848, 5426)]