20812068

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30427}}^1$

素因数の和:30456

約数の個数: 36

約数和(自身を含む): 55378960

約数和(自身を除く): 34566892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30427, 60854, 91281, 121708, 182562, 273843, 365124, 547686, 578113, 1095372, 1156226, 1734339, 2312452, 3468678, 5203017, 6937356, 10406034, 20812068]

約数ペア:

[(1, 20812068), (2, 10406034), (3, 6937356), (4, 5203017), (6, 3468678), (9, 2312452), (12, 1734339), (18, 1156226), (19, 1095372), (36, 578113), (38, 547686), (57, 365124), (76, 273843), (114, 182562), (171, 121708), (228, 91281), (342, 60854), (684, 30427)]