20375835

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14460645

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1511, 2697, 4495, 4533, 7555, 13485, 22665, 43819, 46841, 131457, 140523, 219095, 234205, 657285, 702615, 1358389, 4075167, 6791945, 20375835]

約数ペア:

[(1, 20375835), (3, 6791945), (5, 4075167), (15, 1358389), (29, 702615), (31, 657285), (87, 234205), (93, 219095), (145, 140523), (155, 131457), (435, 46841), (465, 43819), (899, 22665), (1511, 13485), (2697, 7555), (4495, 4533)]