20784214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2617}}^1$

素因数の和:2668

約数の個数: 24

約数和(自身を含む): 35908488

約数和(自身を除く): 15124274

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2617, 3971, 5234, 7942, 28787, 49723, 57574, 99446, 546953, 944737, 1093906, 1889474, 10392107, 20784214]

約数ペア:

[(1, 20784214), (2, 10392107), (11, 1889474), (19, 1093906), (22, 944737), (38, 546953), (209, 99446), (361, 57574), (418, 49723), (722, 28787), (2617, 7942), (3971, 5234)]