20023328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22877152

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 127, 208, 254, 379, 416, 508, 758, 1016, 1516, 1651, 2032, 3032, 3302, 4064, 4927, 6064, 6604, 9854, 12128, 13208, 19708, 26416, 39416, 48133, 52832, 78832, 96266, 157664, 192532, 385064, 625729, 770128, 1251458, 1540256, 2502916, 5005832, 10011664, 20023328]

約数ペア:

[(1, 20023328), (2, 10011664), (4, 5005832), (8, 2502916), (13, 1540256), (16, 1251458), (26, 770128), (32, 625729), (52, 385064), (104, 192532), (127, 157664), (208, 96266), (254, 78832), (379, 52832), (416, 48133), (508, 39416), (758, 26416), (1016, 19708), (1516, 13208), (1651, 12128), (2032, 9854), (3032, 6604), (3302, 6064), (4064, 4927)]