20909694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 47986992

約数和(自身を除く): 27077298

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 169, 221, 338, 442, 507, 663, 1014, 1213, 1326, 2426, 2873, 3639, 5746, 7278, 8619, 15769, 17238, 20621, 31538, 41242, 47307, 61863, 94614, 123726, 204997, 268073, 409994, 536146, 614991, 804219, 1229982, 1608438, 3484949, 6969898, 10454847, 20909694]

約数ペア:

[(1, 20909694), (2, 10454847), (3, 6969898), (6, 3484949), (13, 1608438), (17, 1229982), (26, 804219), (34, 614991), (39, 536146), (51, 409994), (78, 268073), (102, 204997), (169, 123726), (221, 94614), (338, 61863), (442, 47307), (507, 41242), (663, 31538), (1014, 20621), (1213, 17238), (1326, 15769), (2426, 8619), (2873, 7278), (3639, 5746)]