20883885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5503}}^1$

素因数の和:5545

約数の個数: 32

約数和(自身を含む): 38043648

約数和(自身を除く): 17159763

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5503, 16509, 27515, 60533, 82545, 126569, 181599, 302665, 379707, 632845, 907995, 1392259, 1898535, 4176777, 6961295, 20883885]

約数ペア:

[(1, 20883885), (3, 6961295), (5, 4176777), (11, 1898535), (15, 1392259), (23, 907995), (33, 632845), (55, 379707), (69, 302665), (115, 181599), (165, 126569), (253, 82545), (345, 60533), (759, 27515), (1265, 16509), (3795, 5503)]