20213612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 19525780

約数列:

[1, 2, 4, 17, 31, 34, 43, 62, 68, 86, 124, 172, 223, 446, 527, 731, 892, 1054, 1333, 1462, 2108, 2666, 2924, 3791, 5332, 6913, 7582, 9589, 13826, 15164, 19178, 22661, 27652, 38356, 45322, 90644, 117521, 163013, 235042, 297259, 326026, 470084, 594518, 652052, 1189036, 5053403, 10106806, 20213612]

約数ペア:

[(1, 20213612), (2, 10106806), (4, 5053403), (17, 1189036), (31, 652052), (34, 594518), (43, 470084), (62, 326026), (68, 297259), (86, 235042), (124, 163013), (172, 117521), (223, 90644), (446, 45322), (527, 38356), (731, 27652), (892, 22661), (1054, 19178), (1333, 15164), (1462, 13826), (2108, 9589), (2666, 7582), (2924, 6913), (3791, 5332)]