20105638

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15352922

約数列:

[1, 2, 7, 14, 71, 113, 142, 179, 226, 358, 497, 791, 994, 1253, 1582, 2506, 8023, 12709, 16046, 20227, 25418, 40454, 56161, 88963, 112322, 141589, 177926, 283178, 1436117, 2872234, 10052819, 20105638]

約数ペア:

[(1, 20105638), (2, 10052819), (7, 2872234), (14, 1436117), (71, 283178), (113, 177926), (142, 141589), (179, 112322), (226, 88963), (358, 56161), (497, 40454), (791, 25418), (994, 20227), (1253, 16046), (1582, 12709), (2506, 8023)]