20070375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 17669145

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 125, 179, 195, 299, 325, 345, 375, 537, 575, 895, 897, 975, 1495, 1625, 1725, 2327, 2685, 2875, 4117, 4475, 4485, 4875, 6981, 7475, 8625, 11635, 12351, 13425, 20585, 22375, 22425, 34905, 37375, 53521, 58175, 61755, 67125, 102925, 112125, 160563, 174525, 267605, 290875, 308775, 514625, 802815, 872625, 1338025, 1543875, 4014075, 6690125, 20070375]

約数ペア:

[(1, 20070375), (3, 6690125), (5, 4014075), (13, 1543875), (15, 1338025), (23, 872625), (25, 802815), (39, 514625), (65, 308775), (69, 290875), (75, 267605), (115, 174525), (125, 160563), (179, 112125), (195, 102925), (299, 67125), (325, 61755), (345, 58175), (375, 53521), (537, 37375), (575, 34905), (895, 22425), (897, 22375), (975, 20585), (1495, 13425), (1625, 12351), (1725, 11635), (2327, 8625), (2685, 7475), (2875, 6981), (4117, 4875), (4475, 4485)]