20714428

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12539}}^1$

素因数の和:12609

約数の個数: 24

約数和(自身を含む): 42134400

約数和(自身を除く): 21419972

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12539, 25078, 50156, 87773, 175546, 351092, 739801, 1479602, 2959204, 5178607, 10357214, 20714428]

約数ペア:

[(1, 20714428), (2, 10357214), (4, 5178607), (7, 2959204), (14, 1479602), (28, 739801), (59, 351092), (118, 175546), (236, 87773), (413, 50156), (826, 25078), (1652, 12539)]