20698560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7187}}^1$

素因数の和:7210

約数の個数: 84

約数和(自身を含む): 71204328

約数和(自身を除く): 50505768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7187, 14374, 21561, 28748, 35935, 43122, 57496, 64683, 71870, 86244, 107805, 114992, 129366, 143740, 172488, 215610, 229984, 258732, 287480, 323415, 344976, 431220, 459968, 517464, 574960, 646830, 689952, 862440, 1034928, 1149920, 1293660, 1379904, 1724880, 2069856, 2299840, 2587320, 3449760, 4139712, 5174640, 6899520, 10349280, 20698560]

約数ペア:

[(1, 20698560), (2, 10349280), (3, 6899520), (4, 5174640), (5, 4139712), (6, 3449760), (8, 2587320), (9, 2299840), (10, 2069856), (12, 1724880), (15, 1379904), (16, 1293660), (18, 1149920), (20, 1034928), (24, 862440), (30, 689952), (32, 646830), (36, 574960), (40, 517464), (45, 459968), (48, 431220), (60, 344976), (64, 323415), (72, 287480), (80, 258732), (90, 229984), (96, 215610), (120, 172488), (144, 143740), (160, 129366), (180, 114992), (192, 107805), (240, 86244), (288, 71870), (320, 64683), (360, 57496), (480, 43122), (576, 35935), (720, 28748), (960, 21561), (1440, 14374), (2880, 7187)]