20063758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 37034928

約数和(自身を除く): 16971170

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 73, 143, 146, 286, 341, 403, 682, 803, 806, 949, 961, 1606, 1898, 1922, 2263, 4433, 4526, 8866, 10439, 10571, 12493, 20878, 21142, 24893, 24986, 29419, 49786, 58838, 70153, 137423, 140306, 274846, 323609, 647218, 771683, 911989, 1543366, 1823978, 10031879, 20063758]

約数ペア:

[(1, 20063758), (2, 10031879), (11, 1823978), (13, 1543366), (22, 911989), (26, 771683), (31, 647218), (62, 323609), (73, 274846), (143, 140306), (146, 137423), (286, 70153), (341, 58838), (403, 49786), (682, 29419), (803, 24986), (806, 24893), (949, 21142), (961, 20878), (1606, 12493), (1898, 10571), (1922, 10439), (2263, 8866), (4433, 4526)]