20008014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26440626

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 79, 102, 158, 191, 221, 237, 382, 442, 474, 573, 663, 1027, 1146, 1326, 1343, 2054, 2483, 2686, 3081, 3247, 4029, 4966, 6162, 6494, 7449, 8058, 9741, 14898, 15089, 17459, 19482, 30178, 34918, 42211, 45267, 52377, 84422, 90534, 104754, 126633, 196157, 253266, 256513, 392314, 513026, 588471, 769539, 1176942, 1539078, 3334669, 6669338, 10004007, 20008014]

約数ペア:

[(1, 20008014), (2, 10004007), (3, 6669338), (6, 3334669), (13, 1539078), (17, 1176942), (26, 769539), (34, 588471), (39, 513026), (51, 392314), (78, 256513), (79, 253266), (102, 196157), (158, 126633), (191, 104754), (221, 90534), (237, 84422), (382, 52377), (442, 45267), (474, 42211), (573, 34918), (663, 30178), (1027, 19482), (1146, 17459), (1326, 15089), (1343, 14898), (2054, 9741), (2483, 8058), (2686, 7449), (3081, 6494), (3247, 6162), (4029, 4966)]