16891420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9281}}^1$

素因数の和:9310

約数の個数: 48

約数和(自身を含む): 43662528

約数和(自身を除く): 26771108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9281, 18562, 37124, 46405, 64967, 92810, 120653, 129934, 185620, 241306, 259868, 324835, 482612, 603265, 649670, 844571, 1206530, 1299340, 1689142, 2413060, 3378284, 4222855, 8445710, 16891420]

約数ペア:

[(1, 16891420), (2, 8445710), (4, 4222855), (5, 3378284), (7, 2413060), (10, 1689142), (13, 1299340), (14, 1206530), (20, 844571), (26, 649670), (28, 603265), (35, 482612), (52, 324835), (65, 259868), (70, 241306), (91, 185620), (130, 129934), (140, 120653), (182, 92810), (260, 64967), (364, 46405), (455, 37124), (910, 18562), (1820, 9281)]