20915238

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 44259840

約数和(自身を除く): 23344602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 271, 542, 677, 813, 1354, 1626, 2031, 4062, 5149, 10298, 12863, 15447, 25726, 30894, 38589, 77178, 183467, 366934, 550401, 1100802, 3485873, 6971746, 10457619, 20915238]

約数ペア:

[(1, 20915238), (2, 10457619), (3, 6971746), (6, 3485873), (19, 1100802), (38, 550401), (57, 366934), (114, 183467), (271, 77178), (542, 38589), (677, 30894), (813, 25726), (1354, 15447), (1626, 12863), (2031, 10298), (4062, 5149)]