20312838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12401}}^1$

素因数の和:12429

約数の個数: 48

約数和(自身を含む): 54171936

約数和(自身を除く): 33859098

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12401, 24802, 37203, 74406, 86807, 111609, 161213, 173614, 223218, 260421, 322426, 483639, 520842, 781263, 967278, 1128491, 1450917, 1562526, 2256982, 2901834, 3385473, 6770946, 10156419, 20312838]

約数ペア:

[(1, 20312838), (2, 10156419), (3, 6770946), (6, 3385473), (7, 2901834), (9, 2256982), (13, 1562526), (14, 1450917), (18, 1128491), (21, 967278), (26, 781263), (39, 520842), (42, 483639), (63, 322426), (78, 260421), (91, 223218), (117, 173614), (126, 161213), (182, 111609), (234, 86807), (273, 74406), (546, 37203), (819, 24802), (1638, 12401)]