20289942

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 47354112

約数和(自身を除く): 27064170

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1087, 1098, 2074, 2174, 3111, 3261, 6222, 6522, 9333, 9783, 18479, 18666, 19566, 36958, 55437, 66307, 110874, 132614, 166311, 198921, 332622, 397842, 596763, 1127219, 1193526, 2254438, 3381657, 6763314, 10144971, 20289942]

約数ペア:

[(1, 20289942), (2, 10144971), (3, 6763314), (6, 3381657), (9, 2254438), (17, 1193526), (18, 1127219), (34, 596763), (51, 397842), (61, 332622), (102, 198921), (122, 166311), (153, 132614), (183, 110874), (306, 66307), (366, 55437), (549, 36958), (1037, 19566), (1087, 18666), (1098, 18479), (2074, 9783), (2174, 9333), (3111, 6522), (3261, 6222)]