20163570375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{243301}}^1$

素因数の和:243349

約数の個数: 64

約数和(自身を含む): 38258752896

約数和(自身を除く): 18095182521

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 975, 1105, 1275, 1625, 2125, 3315, 4875, 5525, 6375, 16575, 27625, 82875, 243301, 729903, 1216505, 3162913, 3649515, 4136117, 6082525, 9488739, 12408351, 15814565, 18247575, 20680585, 30412625, 47443695, 53769521, 62041755, 79072825, 91237875, 103402925, 161308563, 237218475, 268847605, 310208775, 395364125, 517014625, 806542815, 1186092375, 1344238025, 1551043875, 4032714075, 6721190125, 20163570375]

約数ペア:

[(1, 20163570375), (3, 6721190125), (5, 4032714075), (13, 1551043875), (15, 1344238025), (17, 1186092375), (25, 806542815), (39, 517014625), (51, 395364125), (65, 310208775), (75, 268847605), (85, 237218475), (125, 161308563), (195, 103402925), (221, 91237875), (255, 79072825), (325, 62041755), (375, 53769521), (425, 47443695), (663, 30412625), (975, 20680585), (1105, 18247575), (1275, 15814565), (1625, 12408351), (2125, 9488739), (3315, 6082525), (4875, 4136117), (5525, 3649515), (6375, 3162913), (16575, 1216505), (27625, 729903), (82875, 243301)]