20198562

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 41902080

約数和(自身を除く): 21703518

約数列:

[1, 2, 3, 6, 43, 79, 86, 129, 158, 237, 258, 474, 991, 1982, 2973, 3397, 5946, 6794, 10191, 20382, 42613, 78289, 85226, 127839, 156578, 234867, 255678, 469734, 3366427, 6732854, 10099281, 20198562]

約数ペア:

[(1, 20198562), (2, 10099281), (3, 6732854), (6, 3366427), (43, 469734), (79, 255678), (86, 234867), (129, 156578), (158, 127839), (237, 85226), (258, 78289), (474, 42613), (991, 20382), (1982, 10191), (2973, 6794), (3397, 5946)]