20291508

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6791}}^1$

素因数の和:6884

約数の個数: 36

約数和(自身を含む): 51918048

約数和(自身を除く): 31626540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6791, 13582, 20373, 27164, 40746, 61119, 81492, 122238, 244476, 563653, 1127306, 1690959, 2254612, 3381918, 5072877, 6763836, 10145754, 20291508]

約数ペア:

[(1, 20291508), (2, 10145754), (3, 6763836), (4, 5072877), (6, 3381918), (9, 2254612), (12, 1690959), (18, 1127306), (36, 563653), (83, 244476), (166, 122238), (249, 81492), (332, 61119), (498, 40746), (747, 27164), (996, 20373), (1494, 13582), (2988, 6791)]