20803914

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 48582144

約数和(自身を除く): 27778230

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1621, 2139, 3242, 4278, 4863, 6417, 9726, 12834, 14589, 29178, 37283, 50251, 74566, 100502, 111849, 150753, 223698, 301506, 335547, 452259, 671094, 904518, 1155773, 2311546, 3467319, 6934638, 10401957, 20803914]

約数ペア:

[(1, 20803914), (2, 10401957), (3, 6934638), (6, 3467319), (9, 2311546), (18, 1155773), (23, 904518), (31, 671094), (46, 452259), (62, 335547), (69, 301506), (93, 223698), (138, 150753), (186, 111849), (207, 100502), (279, 74566), (414, 50251), (558, 37283), (713, 29178), (1426, 14589), (1621, 12834), (2139, 9726), (3242, 6417), (4278, 4863)]