20127210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{991}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 48425472

約数和(自身を除く): 28298262

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 991, 1354, 1982, 2031, 2973, 3385, 4062, 4955, 5946, 6770, 9910, 10155, 14865, 20310, 29730, 670907, 1341814, 2012721, 3354535, 4025442, 6709070, 10063605, 20127210]

約数ペア:

[(1, 20127210), (2, 10063605), (3, 6709070), (5, 4025442), (6, 3354535), (10, 2012721), (15, 1341814), (30, 670907), (677, 29730), (991, 20310), (1354, 14865), (1982, 10155), (2031, 9910), (2973, 6770), (3385, 5946), (4062, 4955)]