20844908

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4159}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 41932800

約数和(自身を除く): 21087892

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4159, 5012, 8318, 16636, 29113, 58226, 116452, 744461, 1488922, 2977844, 5211227, 10422454, 20844908]

約数ペア:

[(1, 20844908), (2, 10422454), (4, 5211227), (7, 2977844), (14, 1488922), (28, 744461), (179, 116452), (358, 58226), (716, 29113), (1253, 16636), (2506, 8318), (4159, 5012)]