2020397940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{10103}}^1$

素因数の和:10230

約数の個数: 144

約数和(自身を含む): 6752543616

約数和(自身を除く): 4732145676

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, 110, 132, 165, 180, 198, 202, 220, 303, 330, 396, 404, 495, 505, 606, 660, 909, 990, 1010, 1111, 1212, 1515, 1818, 1980, 2020, 2222, 3030, 3333, 3636, 4444, 4545, 5555, 6060, 6666, 9090, 9999, 10103, 11110, 13332, 16665, 18180, 19998, 20206, 22220, 30309, 33330, 39996, 40412, 49995, 50515, 60618, 66660, 90927, 99990, 101030, 111133, 121236, 151545, 181854, 199980, 202060, 222266, 303090, 333399, 363708, 444532, 454635, 555665, 606180, 666798, 909270, 1000197, 1020403, 1111330, 1333596, 1666995, 1818540, 2000394, 2040806, 2222660, 3061209, 3333990, 4000788, 4081612, 5000985, 5102015, 6122418, 6667980, 9183627, 10001970, 10204030, 11224433, 12244836, 15306045, 18367254, 20003940, 20408060, 22448866, 30612090, 33673299, 36734508, 44897732, 45918135, 56122165, 61224180, 67346598, 91836270, 101019897, 112244330, 134693196, 168366495, 183672540, 202039794, 224488660, 336732990, 404079588, 505099485, 673465980, 1010198970, 2020397940]

約数ペア:

[(1, 2020397940), (2, 1010198970), (3, 673465980), (4, 505099485), (5, 404079588), (6, 336732990), (9, 224488660), (10, 202039794), (11, 183672540), (12, 168366495), (15, 134693196), (18, 112244330), (20, 101019897), (22, 91836270), (30, 67346598), (33, 61224180), (36, 56122165), (44, 45918135), (45, 44897732), (55, 36734508), (60, 33673299), (66, 30612090), (90, 22448866), (99, 20408060), (101, 20003940), (110, 18367254), (132, 15306045), (165, 12244836), (180, 11224433), (198, 10204030), (202, 10001970), (220, 9183627), (303, 6667980), (330, 6122418), (396, 5102015), (404, 5000985), (495, 4081612), (505, 4000788), (606, 3333990), (660, 3061209), (909, 2222660), (990, 2040806), (1010, 2000394), (1111, 1818540), (1212, 1666995), (1515, 1333596), (1818, 1111330), (1980, 1020403), (2020, 1000197), (2222, 909270), (3030, 666798), (3333, 606180), (3636, 555665), (4444, 454635), (4545, 444532), (5555, 363708), (6060, 333399), (6666, 303090), (9090, 222266), (9999, 202060), (10103, 199980), (11110, 181854), (13332, 151545), (16665, 121236), (18180, 111133), (19998, 101030), (20206, 99990), (22220, 90927), (30309, 66660), (33330, 60618), (39996, 50515), (40412, 49995)]