20936325

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 16025595

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 115, 159, 229, 265, 345, 575, 687, 795, 1145, 1219, 1325, 1725, 3435, 3657, 3975, 5267, 5725, 6095, 12137, 15801, 17175, 18285, 26335, 30475, 36411, 60685, 79005, 91425, 131675, 182055, 279151, 303425, 395025, 837453, 910275, 1395755, 4187265, 6978775, 20936325]

約数ペア:

[(1, 20936325), (3, 6978775), (5, 4187265), (15, 1395755), (23, 910275), (25, 837453), (53, 395025), (69, 303425), (75, 279151), (115, 182055), (159, 131675), (229, 91425), (265, 79005), (345, 60685), (575, 36411), (687, 30475), (795, 26335), (1145, 18285), (1219, 17175), (1325, 15801), (1725, 12137), (3435, 6095), (3657, 5725), (3975, 5267)]