20208981519

素因数分解:

$3^6\times {\mathrm{61}}^1\times {\mathrm{454451}}^1$

素因数の和:454530

約数の個数: 28

約数和(自身を含む): 30796394232

約数和(自身を除く): 10587412713

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 729, 1647, 4941, 14823, 44469, 454451, 1363353, 4090059, 12270177, 27721511, 36810531, 83164533, 110431593, 249493599, 331294779, 748480797, 2245442391, 6736327173, 20208981519]

約数ペア:

[(1, 20208981519), (3, 6736327173), (9, 2245442391), (27, 748480797), (61, 331294779), (81, 249493599), (183, 110431593), (243, 83164533), (549, 36810531), (729, 27721511), (1647, 12270177), (4941, 4090059), (14823, 1363353), (44469, 454451)]