20184187816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{78163}}^1$

素因数の和:78386

約数の個数: 48

約数和(自身を含む): 41195554560

約数和(自身を除く): 21011366744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 191, 338, 382, 676, 764, 1352, 1528, 2483, 4966, 9932, 19864, 32279, 64558, 78163, 129116, 156326, 258232, 312652, 625304, 1016119, 2032238, 4064476, 8128952, 13209547, 14929133, 26419094, 29858266, 52838188, 59716532, 105676376, 119433064, 194078729, 388157458, 776314916, 1552629832, 2523023477, 5046046954, 10092093908, 20184187816]

約数ペア:

[(1, 20184187816), (2, 10092093908), (4, 5046046954), (8, 2523023477), (13, 1552629832), (26, 776314916), (52, 388157458), (104, 194078729), (169, 119433064), (191, 105676376), (338, 59716532), (382, 52838188), (676, 29858266), (764, 26419094), (1352, 14929133), (1528, 13209547), (2483, 8128952), (4966, 4064476), (9932, 2032238), (19864, 1016119), (32279, 625304), (64558, 312652), (78163, 258232), (129116, 156326)]