20618996

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 36854664

約数和(自身を除く): 16235668

約数列:

[1, 2, 4, 73, 146, 241, 292, 293, 482, 586, 964, 1172, 17593, 21389, 35186, 42778, 70372, 70613, 85556, 141226, 282452, 5154749, 10309498, 20618996]

約数ペア:

[(1, 20618996), (2, 10309498), (4, 5154749), (73, 282452), (146, 141226), (241, 85556), (292, 70613), (293, 70372), (482, 42778), (586, 35186), (964, 21389), (1172, 17593)]