20951892

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14923}}^1$

素因数の和:14949

約数の個数: 48

約数和(自身を含む): 58502080

約数和(自身を除く): 37550188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14923, 29846, 44769, 59692, 89538, 134307, 179076, 193999, 268614, 387998, 402921, 537228, 581997, 775996, 805842, 1163994, 1611684, 1745991, 2327988, 3491982, 5237973, 6983964, 10475946, 20951892]

約数ペア:

[(1, 20951892), (2, 10475946), (3, 6983964), (4, 5237973), (6, 3491982), (9, 2327988), (12, 1745991), (13, 1611684), (18, 1163994), (26, 805842), (27, 775996), (36, 581997), (39, 537228), (52, 402921), (54, 387998), (78, 268614), (108, 193999), (117, 179076), (156, 134307), (234, 89538), (351, 59692), (468, 44769), (702, 29846), (1404, 14923)]