20678736

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 59440640

約数和(自身を除く): 38761904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1069, 1209, 1488, 1612, 2138, 2418, 3207, 3224, 4276, 4836, 6414, 6448, 8552, 9672, 12828, 13897, 17104, 19344, 25656, 27794, 33139, 41691, 51312, 55588, 66278, 83382, 99417, 111176, 132556, 166764, 198834, 222352, 265112, 333528, 397668, 430807, 530224, 667056, 795336, 861614, 1292421, 1590672, 1723228, 2584842, 3446456, 5169684, 6892912, 10339368, 20678736]

約数ペア:

[(1, 20678736), (2, 10339368), (3, 6892912), (4, 5169684), (6, 3446456), (8, 2584842), (12, 1723228), (13, 1590672), (16, 1292421), (24, 861614), (26, 795336), (31, 667056), (39, 530224), (48, 430807), (52, 397668), (62, 333528), (78, 265112), (93, 222352), (104, 198834), (124, 166764), (156, 132556), (186, 111176), (208, 99417), (248, 83382), (312, 66278), (372, 55588), (403, 51312), (496, 41691), (624, 33139), (744, 27794), (806, 25656), (1069, 19344), (1209, 17104), (1488, 13897), (1612, 12828), (2138, 9672), (2418, 8552), (3207, 6448), (3224, 6414), (4276, 4836)]