20309154

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{797}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 21978462

約数列:

[1, 2, 3, 6, 31, 62, 93, 137, 186, 274, 411, 797, 822, 1594, 2391, 4247, 4782, 8494, 12741, 24707, 25482, 49414, 74121, 109189, 148242, 218378, 327567, 655134, 3384859, 6769718, 10154577, 20309154]

約数ペア:

[(1, 20309154), (2, 10154577), (3, 6769718), (6, 3384859), (31, 655134), (62, 327567), (93, 218378), (137, 148242), (186, 109189), (274, 74121), (411, 49414), (797, 25482), (822, 24707), (1594, 12741), (2391, 8494), (4247, 4782)]