20546636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 21063604

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 79, 92, 158, 253, 257, 316, 506, 514, 869, 1012, 1028, 1738, 1817, 2827, 3476, 3634, 5654, 5911, 7268, 11308, 11822, 19987, 20303, 23644, 39974, 40606, 65021, 79948, 81212, 130042, 223333, 260084, 446666, 466969, 893332, 933938, 1867876, 5136659, 10273318, 20546636]

約数ペア:

[(1, 20546636), (2, 10273318), (4, 5136659), (11, 1867876), (22, 933938), (23, 893332), (44, 466969), (46, 446666), (79, 260084), (92, 223333), (158, 130042), (253, 81212), (257, 79948), (316, 65021), (506, 40606), (514, 39974), (869, 23644), (1012, 20303), (1028, 19987), (1738, 11822), (1817, 11308), (2827, 7268), (3476, 5911), (3634, 5654)]