20100952885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{26321}}^1$

素因数の和:26749

約数の個数: 32

約数和(自身を含む): 26886343680

約数和(自身を除く): 6785390795

約数列:

[1, 5, 13, 31, 65, 155, 379, 403, 1895, 2015, 4927, 11749, 24635, 26321, 58745, 131605, 152737, 342173, 763685, 815951, 1710865, 4079755, 9975659, 10607363, 49878295, 53036815, 129683567, 309245429, 648417835, 1546227145, 4020190577, 20100952885]

約数ペア:

[(1, 20100952885), (5, 4020190577), (13, 1546227145), (31, 648417835), (65, 309245429), (155, 129683567), (379, 53036815), (403, 49878295), (1895, 10607363), (2015, 9975659), (4927, 4079755), (11749, 1710865), (24635, 815951), (26321, 763685), (58745, 342173), (131605, 152737)]