20457912

素因数分解:

$2^3\times 3^1\times {\mathrm{317}}^1\times {\mathrm{2689}}^1$

素因数の和:3015

約数の個数: 32

約数和(自身を含む): 51325200

約数和(自身を除く): 30867288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 317, 634, 951, 1268, 1902, 2536, 2689, 3804, 5378, 7608, 8067, 10756, 16134, 21512, 32268, 64536, 852413, 1704826, 2557239, 3409652, 5114478, 6819304, 10228956, 20457912]

約数ペア:

[(1, 20457912), (2, 10228956), (3, 6819304), (4, 5114478), (6, 3409652), (8, 2557239), (12, 1704826), (24, 852413), (317, 64536), (634, 32268), (951, 21512), (1268, 16134), (1902, 10756), (2536, 8067), (2689, 7608), (3804, 5378)]