22222020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 66487680

約数和(自身を除く): 44265660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 101, 114, 190, 193, 202, 228, 285, 303, 380, 386, 404, 505, 570, 579, 606, 772, 965, 1010, 1140, 1158, 1212, 1515, 1919, 1930, 2020, 2316, 2895, 3030, 3667, 3838, 3860, 5757, 5790, 6060, 7334, 7676, 9595, 11001, 11514, 11580, 14668, 18335, 19190, 19493, 22002, 23028, 28785, 36670, 38380, 38986, 44004, 55005, 57570, 58479, 73340, 77972, 97465, 110010, 115140, 116958, 194930, 220020, 233916, 292395, 370367, 389860, 584790, 740734, 1111101, 1169580, 1481468, 1851835, 2222202, 3703670, 4444404, 5555505, 7407340, 11111010, 22222020]

約数ペア:

[(1, 22222020), (2, 11111010), (3, 7407340), (4, 5555505), (5, 4444404), (6, 3703670), (10, 2222202), (12, 1851835), (15, 1481468), (19, 1169580), (20, 1111101), (30, 740734), (38, 584790), (57, 389860), (60, 370367), (76, 292395), (95, 233916), (101, 220020), (114, 194930), (190, 116958), (193, 115140), (202, 110010), (228, 97465), (285, 77972), (303, 73340), (380, 58479), (386, 57570), (404, 55005), (505, 44004), (570, 38986), (579, 38380), (606, 36670), (772, 28785), (965, 23028), (1010, 22002), (1140, 19493), (1158, 19190), (1212, 18335), (1515, 14668), (1919, 11580), (1930, 11514), (2020, 11001), (2316, 9595), (2895, 7676), (3030, 7334), (3667, 6060), (3838, 5790), (3860, 5757)]