20166021785

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{34981}}^1$

素因数の和:35194

約数の個数: 48

約数和(自身を含む): 30483874512

約数和(自身を除く): 10317852727

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 181, 245, 455, 637, 905, 1267, 2353, 3185, 6335, 8869, 11765, 16471, 34981, 44345, 82355, 115297, 174905, 244867, 454753, 576485, 1224335, 1714069, 2273765, 3183271, 6331561, 8570345, 15916355, 22282897, 31657805, 44320927, 82310293, 111414485, 221604635, 310246489, 411551465, 576172051, 1551232445, 2880860255, 4033204357, 20166021785]

約数ペア:

[(1, 20166021785), (5, 4033204357), (7, 2880860255), (13, 1551232445), (35, 576172051), (49, 411551465), (65, 310246489), (91, 221604635), (181, 111414485), (245, 82310293), (455, 44320927), (637, 31657805), (905, 22282897), (1267, 15916355), (2353, 8570345), (3185, 6331561), (6335, 3183271), (8869, 2273765), (11765, 1714069), (16471, 1224335), (34981, 576485), (44345, 454753), (82355, 244867), (115297, 174905)]