13560020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21911

約数の個数: 24

約数和(自身を含む): 29395968

約数和(自身を除く): 15835948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21871, 43742, 87484, 109355, 218710, 437420, 678001, 1356002, 2712004, 3390005, 6780010, 13560020]

約数ペア:

[(1, 13560020), (2, 6780010), (4, 3390005), (5, 2712004), (10, 1356002), (20, 678001), (31, 437420), (62, 218710), (124, 109355), (155, 87484), (310, 43742), (620, 21871)]