20017746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{52957}}^1$

素因数の和:52975

約数の個数: 32

約数和(自身を含む): 50839680

約数和(自身を除く): 30821934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 52957, 105914, 158871, 317742, 370699, 476613, 741398, 953226, 1112097, 1429839, 2224194, 2859678, 3336291, 6672582, 10008873, 20017746]

約数ペア:

[(1, 20017746), (2, 10008873), (3, 6672582), (6, 3336291), (7, 2859678), (9, 2224194), (14, 1429839), (18, 1112097), (21, 953226), (27, 741398), (42, 476613), (54, 370699), (63, 317742), (126, 158871), (189, 105914), (378, 52957)]