20180775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11699}}^1$

素因数の和:11735

約数の個数: 24

約数和(自身を含む): 34819200

約数和(自身を除く): 14638425

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11699, 35097, 58495, 175485, 269077, 292475, 807231, 877425, 1345385, 4036155, 6726925, 20180775]

約数ペア:

[(1, 20180775), (3, 6726925), (5, 4036155), (15, 1345385), (23, 877425), (25, 807231), (69, 292475), (75, 269077), (115, 175485), (345, 58495), (575, 35097), (1725, 11699)]