20493074

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2742

約数の個数: 24

約数和(自身を含む): 36224640

約数和(自身を除く): 15731566

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2647, 3871, 5294, 7742, 18529, 37058, 129703, 209113, 259406, 418226, 1463791, 2927582, 10246537, 20493074]

約数ペア:

[(1, 20493074), (2, 10246537), (7, 2927582), (14, 1463791), (49, 418226), (79, 259406), (98, 209113), (158, 129703), (553, 37058), (1106, 18529), (2647, 7742), (3871, 5294)]