20512781498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{149399}}^1$

素因数の和:149570

約数の個数: 24

約数和(自身を含む): 33996866400

約数和(自身を除く): 13484084902

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 6241, 12482, 68651, 137302, 149399, 298798, 1643389, 3286778, 11802521, 23605042, 129827731, 259655462, 932399159, 1864798318, 10256390749, 20512781498]

約数ペア:

[(1, 20512781498), (2, 10256390749), (11, 1864798318), (22, 932399159), (79, 259655462), (158, 129827731), (869, 23605042), (1738, 11802521), (6241, 3286778), (12482, 1643389), (68651, 298798), (137302, 149399)]