20597940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 69503616

約数和(自身を除く): 48905676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 101, 103, 110, 132, 165, 180, 198, 202, 206, 220, 303, 309, 330, 396, 404, 412, 495, 505, 515, 606, 618, 660, 909, 927, 990, 1010, 1030, 1111, 1133, 1212, 1236, 1515, 1545, 1818, 1854, 1980, 2020, 2060, 2222, 2266, 3030, 3090, 3333, 3399, 3636, 3708, 4444, 4532, 4545, 4635, 5555, 5665, 6060, 6180, 6666, 6798, 9090, 9270, 9999, 10197, 10403, 11110, 11330, 13332, 13596, 16665, 16995, 18180, 18540, 19998, 20394, 20806, 22220, 22660, 31209, 33330, 33990, 39996, 40788, 41612, 49995, 50985, 52015, 62418, 66660, 67980, 93627, 99990, 101970, 104030, 114433, 124836, 156045, 187254, 199980, 203940, 208060, 228866, 312090, 343299, 374508, 457732, 468135, 572165, 624180, 686598, 936270, 1029897, 1144330, 1373196, 1716495, 1872540, 2059794, 2288660, 3432990, 4119588, 5149485, 6865980, 10298970, 20597940]

約数ペア:

[(1, 20597940), (2, 10298970), (3, 6865980), (4, 5149485), (5, 4119588), (6, 3432990), (9, 2288660), (10, 2059794), (11, 1872540), (12, 1716495), (15, 1373196), (18, 1144330), (20, 1029897), (22, 936270), (30, 686598), (33, 624180), (36, 572165), (44, 468135), (45, 457732), (55, 374508), (60, 343299), (66, 312090), (90, 228866), (99, 208060), (101, 203940), (103, 199980), (110, 187254), (132, 156045), (165, 124836), (180, 114433), (198, 104030), (202, 101970), (206, 99990), (220, 93627), (303, 67980), (309, 66660), (330, 62418), (396, 52015), (404, 50985), (412, 49995), (495, 41612), (505, 40788), (515, 39996), (606, 33990), (618, 33330), (660, 31209), (909, 22660), (927, 22220), (990, 20806), (1010, 20394), (1030, 19998), (1111, 18540), (1133, 18180), (1212, 16995), (1236, 16665), (1515, 13596), (1545, 13332), (1818, 11330), (1854, 11110), (1980, 10403), (2020, 10197), (2060, 9999), (2222, 9270), (2266, 9090), (3030, 6798), (3090, 6666), (3333, 6180), (3399, 6060), (3636, 5665), (3708, 5555), (4444, 4635), (4532, 4545)]