20214580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 44432640

約数和(自身を除く): 24218060

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 463, 590, 740, 926, 1180, 1852, 2183, 2315, 4366, 4630, 8732, 9260, 10915, 17131, 21830, 27317, 34262, 43660, 54634, 68524, 85655, 109268, 136585, 171310, 273170, 342620, 546340, 1010729, 2021458, 4042916, 5053645, 10107290, 20214580]

約数ペア:

[(1, 20214580), (2, 10107290), (4, 5053645), (5, 4042916), (10, 2021458), (20, 1010729), (37, 546340), (59, 342620), (74, 273170), (118, 171310), (148, 136585), (185, 109268), (236, 85655), (295, 68524), (370, 54634), (463, 43660), (590, 34262), (740, 27317), (926, 21830), (1180, 17131), (1852, 10915), (2183, 9260), (2315, 8732), (4366, 4630)]