20228572

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 26827892

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 467, 476, 637, 833, 884, 934, 1274, 1547, 1666, 1868, 2548, 3094, 3269, 3332, 6071, 6188, 6538, 7939, 10829, 12142, 13076, 15878, 21658, 22883, 24284, 31756, 42497, 43316, 45766, 55573, 84994, 91532, 103207, 111146, 169988, 206414, 222292, 297479, 389011, 412828, 594958, 722449, 778022, 1189916, 1444898, 1556044, 2889796, 5057143, 10114286, 20228572]

約数ペア:

[(1, 20228572), (2, 10114286), (4, 5057143), (7, 2889796), (13, 1556044), (14, 1444898), (17, 1189916), (26, 778022), (28, 722449), (34, 594958), (49, 412828), (52, 389011), (68, 297479), (91, 222292), (98, 206414), (119, 169988), (182, 111146), (196, 103207), (221, 91532), (238, 84994), (364, 55573), (442, 45766), (467, 43316), (476, 42497), (637, 31756), (833, 24284), (884, 22883), (934, 21658), (1274, 15878), (1547, 13076), (1666, 12142), (1868, 10829), (2548, 7939), (3094, 6538), (3269, 6188), (3332, 6071)]