20465642

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 12725782

約数列:

[1, 2, 31, 41, 62, 82, 83, 97, 166, 194, 1271, 2542, 2573, 3007, 3403, 3977, 5146, 6014, 6806, 7954, 8051, 16102, 105493, 123287, 210986, 246574, 249581, 330091, 499162, 660182, 10232821, 20465642]

約数ペア:

[(1, 20465642), (2, 10232821), (31, 660182), (41, 499162), (62, 330091), (82, 249581), (83, 246574), (97, 210986), (166, 123287), (194, 105493), (1271, 16102), (2542, 8051), (2573, 7954), (3007, 6806), (3403, 6014), (3977, 5146)]