20443115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 11213845

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1831, 2233, 9155, 11165, 12817, 20141, 53099, 64085, 100705, 140987, 265495, 371693, 584089, 704935, 1858465, 2920445, 4088623, 20443115]

約数ペア:

[(1, 20443115), (5, 4088623), (7, 2920445), (11, 1858465), (29, 704935), (35, 584089), (55, 371693), (77, 265495), (145, 140987), (203, 100705), (319, 64085), (385, 53099), (1015, 20141), (1595, 12817), (1831, 11165), (2233, 9155)]