20457030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61991}}^1$

素因数の和:62012

約数の個数: 32

約数和(自身を含む): 53561088

約数和(自身を除く): 33104058

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61991, 123982, 185973, 309955, 371946, 619910, 681901, 929865, 1363802, 1859730, 2045703, 3409505, 4091406, 6819010, 10228515, 20457030]

約数ペア:

[(1, 20457030), (2, 10228515), (3, 6819010), (5, 4091406), (6, 3409505), (10, 2045703), (11, 1859730), (15, 1363802), (22, 929865), (30, 681901), (33, 619910), (55, 371946), (66, 309955), (110, 185973), (165, 123982), (330, 61991)]