20778108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5791}}^1$

素因数の和:5834

約数の個数: 48

約数和(自身を含む): 54491136

約数和(自身を除く): 33713028

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5791, 11582, 17373, 23164, 34746, 69492, 75283, 133193, 150566, 225849, 266386, 301132, 399579, 451698, 532772, 799158, 903396, 1598316, 1731509, 3463018, 5194527, 6926036, 10389054, 20778108]

約数ペア:

[(1, 20778108), (2, 10389054), (3, 6926036), (4, 5194527), (6, 3463018), (12, 1731509), (13, 1598316), (23, 903396), (26, 799158), (39, 532772), (46, 451698), (52, 399579), (69, 301132), (78, 266386), (92, 225849), (138, 150566), (156, 133193), (276, 75283), (299, 69492), (598, 34746), (897, 23164), (1196, 17373), (1794, 11582), (3588, 5791)]