20271204

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4051}}^1$

素因数の和:4200

約数の個数: 36

約数和(自身を含む): 51622480

約数和(自身を除く): 31351276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4051, 5004, 8102, 12153, 16204, 24306, 36459, 48612, 72918, 145836, 563089, 1126178, 1689267, 2252356, 3378534, 5067801, 6757068, 10135602, 20271204]

約数ペア:

[(1, 20271204), (2, 10135602), (3, 6757068), (4, 5067801), (6, 3378534), (9, 2252356), (12, 1689267), (18, 1126178), (36, 563089), (139, 145836), (278, 72918), (417, 48612), (556, 36459), (834, 24306), (1251, 16204), (1668, 12153), (2502, 8102), (4051, 5004)]