20618829

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29753}}^1$

素因数の和:29777

約数の個数: 24

約数和(自身を含む): 37132992

約数和(自身を除く): 16514163

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29753, 89259, 208271, 267777, 327283, 624813, 981849, 1874439, 2290981, 2945547, 6872943, 20618829]

約数ペア:

[(1, 20618829), (3, 6872943), (7, 2945547), (9, 2290981), (11, 1874439), (21, 981849), (33, 624813), (63, 327283), (77, 267777), (99, 208271), (231, 89259), (693, 29753)]