20848460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3607}}^1$

素因数の和:3650

約数の個数: 36

約数和(自身を含む): 46521552

約数和(自身を除く): 25673092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3607, 5780, 7214, 14428, 18035, 36070, 61319, 72140, 122638, 245276, 306595, 613190, 1042423, 1226380, 2084846, 4169692, 5212115, 10424230, 20848460]

約数ペア:

[(1, 20848460), (2, 10424230), (4, 5212115), (5, 4169692), (10, 2084846), (17, 1226380), (20, 1042423), (34, 613190), (68, 306595), (85, 245276), (170, 122638), (289, 72140), (340, 61319), (578, 36070), (1156, 18035), (1445, 14428), (2890, 7214), (3607, 5780)]