20559942

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2205

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 28606266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2143, 3198, 4286, 4797, 6429, 9594, 12858, 19287, 27859, 38574, 55718, 83577, 87863, 167154, 175726, 250731, 263589, 501462, 527178, 790767, 1142219, 1581534, 2284438, 3426657, 6853314, 10279971, 20559942]

約数ペア:

[(1, 20559942), (2, 10279971), (3, 6853314), (6, 3426657), (9, 2284438), (13, 1581534), (18, 1142219), (26, 790767), (39, 527178), (41, 501462), (78, 263589), (82, 250731), (117, 175726), (123, 167154), (234, 87863), (246, 83577), (369, 55718), (533, 38574), (738, 27859), (1066, 19287), (1599, 12858), (2143, 9594), (3198, 6429), (4286, 4797)]