20387556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4759}}^1$

素因数の和:4793

約数の個数: 72

約数和(自身を含む): 62375040

約数和(自身を除く): 41987484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4759, 9518, 14277, 19036, 28554, 33313, 42831, 57108, 66626, 80903, 85662, 99939, 133252, 161806, 171324, 199878, 242709, 299817, 323612, 399756, 485418, 566321, 599634, 728127, 970836, 1132642, 1199268, 1456254, 1698963, 2265284, 2912508, 3397926, 5096889, 6795852, 10193778, 20387556]

約数ペア:

[(1, 20387556), (2, 10193778), (3, 6795852), (4, 5096889), (6, 3397926), (7, 2912508), (9, 2265284), (12, 1698963), (14, 1456254), (17, 1199268), (18, 1132642), (21, 970836), (28, 728127), (34, 599634), (36, 566321), (42, 485418), (51, 399756), (63, 323612), (68, 299817), (84, 242709), (102, 199878), (119, 171324), (126, 161806), (153, 133252), (204, 99939), (238, 85662), (252, 80903), (306, 66626), (357, 57108), (476, 42831), (612, 33313), (714, 28554), (1071, 19036), (1428, 14277), (2142, 9518), (4284, 4759)]