20171169968

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{181}}^1\times {\mathrm{3767}}^1$

素因数の和:4042

約数の個数: 60

約数和(自身を含む): 40243393008

約数和(自身を除く): 20072223040

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 181, 344, 362, 688, 724, 1448, 1849, 2896, 3698, 3767, 7396, 7534, 7783, 14792, 15068, 15566, 29584, 30136, 31132, 60272, 62264, 124528, 161981, 323962, 334669, 647924, 669338, 681827, 1295848, 1338676, 1363654, 2591696, 2677352, 2727308, 5354704, 5454616, 6965183, 10909232, 13930366, 27860732, 29318561, 55721464, 58637122, 111442928, 117274244, 234548488, 469096976, 1260698123, 2521396246, 5042792492, 10085584984, 20171169968]

約数ペア:

[(1, 20171169968), (2, 10085584984), (4, 5042792492), (8, 2521396246), (16, 1260698123), (43, 469096976), (86, 234548488), (172, 117274244), (181, 111442928), (344, 58637122), (362, 55721464), (688, 29318561), (724, 27860732), (1448, 13930366), (1849, 10909232), (2896, 6965183), (3698, 5454616), (3767, 5354704), (7396, 2727308), (7534, 2677352), (7783, 2591696), (14792, 1363654), (15068, 1338676), (15566, 1295848), (29584, 681827), (30136, 669338), (31132, 647924), (60272, 334669), (62264, 323962), (124528, 161981)]