20187770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 18001030

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1039, 1943, 2078, 3886, 5195, 9715, 10390, 19430, 30131, 60262, 69613, 139226, 150655, 301310, 348065, 696130, 2018777, 4037554, 10093885, 20187770]

約数ペア:

[(1, 20187770), (2, 10093885), (5, 4037554), (10, 2018777), (29, 696130), (58, 348065), (67, 301310), (134, 150655), (145, 139226), (290, 69613), (335, 60262), (670, 30131), (1039, 19430), (1943, 10390), (2078, 9715), (3886, 5195)]