20163156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7603}}^1$

素因数の和:7640

約数の個数: 48

約数和(自身を含む): 53653824

約数和(自身を除く): 33490668

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7603, 15206, 22809, 30412, 45618, 91236, 98839, 129251, 197678, 258502, 296517, 387753, 395356, 517004, 593034, 775506, 1186068, 1551012, 1680263, 3360526, 5040789, 6721052, 10081578, 20163156]

約数ペア:

[(1, 20163156), (2, 10081578), (3, 6721052), (4, 5040789), (6, 3360526), (12, 1680263), (13, 1551012), (17, 1186068), (26, 775506), (34, 593034), (39, 517004), (51, 395356), (52, 387753), (68, 296517), (78, 258502), (102, 197678), (156, 129251), (204, 98839), (221, 91236), (442, 45618), (663, 30412), (884, 22809), (1326, 15206), (2652, 7603)]