20187020440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1\times {\mathrm{17579}}^1$

素因数の和:19120

約数の個数: 64

約数和(自身を含む): 47845728000

約数和(自身を除く): 27658707560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1511, 3022, 6044, 7555, 12088, 15110, 17579, 28709, 30220, 35158, 57418, 60440, 70316, 87895, 114836, 140632, 143545, 175790, 229672, 287090, 334001, 351580, 574180, 668002, 703160, 1148360, 1336004, 1670005, 2672008, 3340010, 6680020, 13360040, 26561869, 53123738, 106247476, 132809345, 212494952, 265618690, 504675511, 531237380, 1009351022, 1062474760, 2018702044, 2523377555, 4037404088, 5046755110, 10093510220, 20187020440]

約数ペア:

[(1, 20187020440), (2, 10093510220), (4, 5046755110), (5, 4037404088), (8, 2523377555), (10, 2018702044), (19, 1062474760), (20, 1009351022), (38, 531237380), (40, 504675511), (76, 265618690), (95, 212494952), (152, 132809345), (190, 106247476), (380, 53123738), (760, 26561869), (1511, 13360040), (3022, 6680020), (6044, 3340010), (7555, 2672008), (12088, 1670005), (15110, 1336004), (17579, 1148360), (28709, 703160), (30220, 668002), (35158, 574180), (57418, 351580), (60440, 334001), (70316, 287090), (87895, 229672), (114836, 175790), (140632, 143545)]