16720385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 22838760

約数和(自身を除く): 6118375

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 953, 1595, 3509, 4765, 10483, 17545, 27637, 52415, 115313, 138185, 304007, 576565, 1520035, 3344077, 16720385]

約数ペア:

[(1, 16720385), (5, 3344077), (11, 1520035), (29, 576565), (55, 304007), (121, 138185), (145, 115313), (319, 52415), (605, 27637), (953, 17545), (1595, 10483), (3509, 4765)]