20045410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3719}}^1$

素因数の和:3751

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 25755230

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3719, 5390, 7438, 18595, 26033, 37190, 40909, 52066, 81818, 130165, 182231, 204545, 260330, 286363, 364462, 409090, 572726, 911155, 1431815, 1822310, 2004541, 2863630, 4009082, 10022705, 20045410]

約数ペア:

[(1, 20045410), (2, 10022705), (5, 4009082), (7, 2863630), (10, 2004541), (11, 1822310), (14, 1431815), (22, 911155), (35, 572726), (49, 409090), (55, 364462), (70, 286363), (77, 260330), (98, 204545), (110, 182231), (154, 130165), (245, 81818), (385, 52066), (490, 40909), (539, 37190), (770, 26033), (1078, 18595), (2695, 7438), (3719, 5390)]