20447130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61961}}^1$

素因数の和:61982

約数の個数: 32

約数和(自身を含む): 53535168

約数和(自身を除く): 33088038

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61961, 123922, 185883, 309805, 371766, 619610, 681571, 929415, 1363142, 1858830, 2044713, 3407855, 4089426, 6815710, 10223565, 20447130]

約数ペア:

[(1, 20447130), (2, 10223565), (3, 6815710), (5, 4089426), (6, 3407855), (10, 2044713), (11, 1858830), (15, 1363142), (22, 929415), (30, 681571), (33, 619610), (55, 371766), (66, 309805), (110, 185883), (165, 123922), (330, 61961)]