20783836

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 37926000

約数和(自身を除く): 17142164

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 1289, 2578, 4031, 5156, 8062, 16124, 37381, 74762, 149524, 179171, 358342, 716684, 5195959, 10391918, 20783836]

約数ペア:

[(1, 20783836), (2, 10391918), (4, 5195959), (29, 716684), (58, 358342), (116, 179171), (139, 149524), (278, 74762), (556, 37381), (1289, 16124), (2578, 8062), (4031, 5156)]