20175794037

素因数分解:

$3^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{117437}}^1$

素因数の和:117560

約数の個数: 48

約数和(自身を含む): 34881904512

約数和(自身を除く): 14706110475

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 243, 303, 567, 707, 909, 1701, 2121, 2727, 6363, 8181, 19089, 24543, 57267, 117437, 171801, 352311, 822059, 1056933, 2466177, 3170799, 7398531, 9512397, 11861137, 22195593, 28537191, 35583411, 66586779, 83027959, 106750233, 199760337, 249083877, 320250699, 747251631, 960752097, 2241754893, 2882256291, 6725264679, 20175794037]

約数ペア:

[(1, 20175794037), (3, 6725264679), (7, 2882256291), (9, 2241754893), (21, 960752097), (27, 747251631), (63, 320250699), (81, 249083877), (101, 199760337), (189, 106750233), (243, 83027959), (303, 66586779), (567, 35583411), (707, 28537191), (909, 22195593), (1701, 11861137), (2121, 9512397), (2727, 7398531), (6363, 3170799), (8181, 2466177), (19089, 1056933), (24543, 822059), (57267, 352311), (117437, 171801)]