20415904

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{27739}}^1$

素因数の和:27772

約数の個数: 24

約数和(自身を含む): 41942880

約数和(自身を除く): 21526976

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 27739, 55478, 110956, 221912, 443824, 637997, 887648, 1275994, 2551988, 5103976, 10207952, 20415904]

約数ペア:

[(1, 20415904), (2, 10207952), (4, 5103976), (8, 2551988), (16, 1275994), (23, 887648), (32, 637997), (46, 443824), (92, 221912), (184, 110956), (368, 55478), (736, 27739)]