20196539820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{8123}}^1$

素因数の和:8884

約数の個数: 144

約数和(自身を含む): 64583850240

約数和(自身を除く): 44387310420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 727, 855, 1140, 1454, 1710, 2181, 2908, 3420, 3635, 4362, 6543, 7270, 8123, 8724, 10905, 13086, 13813, 14540, 16246, 21810, 24369, 26172, 27626, 32492, 32715, 40615, 41439, 43620, 48738, 55252, 65430, 69065, 73107, 81230, 82878, 97476, 121845, 124317, 130860, 138130, 146214, 154337, 162460, 165756, 207195, 243690, 248634, 276260, 292428, 308674, 365535, 414390, 463011, 487380, 497268, 617348, 621585, 731070, 771685, 828780, 926022, 1243170, 1389033, 1462140, 1543370, 1852044, 2315055, 2486340, 2778066, 3086740, 4630110, 5556132, 5905421, 6945165, 9260220, 11810842, 13890330, 17716263, 23621684, 27780660, 29527105, 35432526, 53148789, 59054210, 70865052, 88581315, 106297578, 112202999, 118108420, 177162630, 212595156, 224405998, 265743945, 336608997, 354325260, 448811996, 531487890, 561014995, 673217994, 1009826991, 1062975780, 1122029990, 1346435988, 1683044985, 2019653982, 2244059980, 3366089970, 4039307964, 5049134955, 6732179940, 10098269910, 20196539820]

約数ペア:

[(1, 20196539820), (2, 10098269910), (3, 6732179940), (4, 5049134955), (5, 4039307964), (6, 3366089970), (9, 2244059980), (10, 2019653982), (12, 1683044985), (15, 1346435988), (18, 1122029990), (19, 1062975780), (20, 1009826991), (30, 673217994), (36, 561014995), (38, 531487890), (45, 448811996), (57, 354325260), (60, 336608997), (76, 265743945), (90, 224405998), (95, 212595156), (114, 177162630), (171, 118108420), (180, 112202999), (190, 106297578), (228, 88581315), (285, 70865052), (342, 59054210), (380, 53148789), (570, 35432526), (684, 29527105), (727, 27780660), (855, 23621684), (1140, 17716263), (1454, 13890330), (1710, 11810842), (2181, 9260220), (2908, 6945165), (3420, 5905421), (3635, 5556132), (4362, 4630110), (6543, 3086740), (7270, 2778066), (8123, 2486340), (8724, 2315055), (10905, 1852044), (13086, 1543370), (13813, 1462140), (14540, 1389033), (16246, 1243170), (21810, 926022), (24369, 828780), (26172, 771685), (27626, 731070), (32492, 621585), (32715, 617348), (40615, 497268), (41439, 487380), (43620, 463011), (48738, 414390), (55252, 365535), (65430, 308674), (69065, 292428), (73107, 276260), (81230, 248634), (82878, 243690), (97476, 207195), (121845, 165756), (124317, 162460), (130860, 154337), (138130, 146214)]