20215098078

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{316861}}^1$

素因数の和:316918

約数の個数: 64

約数和(自身を含む): 48670003200

約数和(自身を除く): 28454905122

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 343, 434, 651, 686, 1029, 1302, 1519, 2058, 3038, 4557, 9114, 10633, 21266, 31899, 63798, 316861, 633722, 950583, 1901166, 2218027, 4436054, 6654081, 9822691, 13308162, 15526189, 19645382, 29468073, 31052378, 46578567, 58936146, 68758837, 93157134, 108683323, 137517674, 206276511, 217366646, 326049969, 412553022, 481311859, 652099938, 962623718, 1443935577, 2887871154, 3369183013, 6738366026, 10107549039, 20215098078]

約数ペア:

[(1, 20215098078), (2, 10107549039), (3, 6738366026), (6, 3369183013), (7, 2887871154), (14, 1443935577), (21, 962623718), (31, 652099938), (42, 481311859), (49, 412553022), (62, 326049969), (93, 217366646), (98, 206276511), (147, 137517674), (186, 108683323), (217, 93157134), (294, 68758837), (343, 58936146), (434, 46578567), (651, 31052378), (686, 29468073), (1029, 19645382), (1302, 15526189), (1519, 13308162), (2058, 9822691), (3038, 6654081), (4557, 4436054), (9114, 2218027), (10633, 1901166), (21266, 950583), (31899, 633722), (63798, 316861)]