20885826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:883

約数の個数: 64

約数和(自身を含む): 50198400

約数和(自身を除く): 29312574

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 829, 969, 1326, 1482, 1658, 1938, 2487, 4199, 4974, 8398, 10777, 12597, 14093, 15751, 21554, 25194, 28186, 31502, 32331, 42279, 47253, 64662, 84558, 94506, 183209, 204763, 267767, 366418, 409526, 535534, 549627, 614289, 803301, 1099254, 1228578, 1606602, 3480971, 6961942, 10442913, 20885826]

約数ペア:

[(1, 20885826), (2, 10442913), (3, 6961942), (6, 3480971), (13, 1606602), (17, 1228578), (19, 1099254), (26, 803301), (34, 614289), (38, 549627), (39, 535534), (51, 409526), (57, 366418), (78, 267767), (102, 204763), (114, 183209), (221, 94506), (247, 84558), (323, 64662), (442, 47253), (494, 42279), (646, 32331), (663, 31502), (741, 28186), (829, 25194), (969, 21554), (1326, 15751), (1482, 14093), (1658, 12597), (1938, 10777), (2487, 8398), (4199, 4974)]