20178345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4217}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 16265175

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4217, 4785, 12651, 21085, 46387, 63255, 122293, 139161, 231935, 366879, 611465, 695805, 1345223, 1834395, 4035669, 6726115, 20178345]

約数ペア:

[(1, 20178345), (3, 6726115), (5, 4035669), (11, 1834395), (15, 1345223), (29, 695805), (33, 611465), (55, 366879), (87, 231935), (145, 139161), (165, 122293), (319, 63255), (435, 46387), (957, 21085), (1595, 12651), (4217, 4785)]