20357550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 72

約数和(自身を含む): 57596760

約数和(自身を除く): 37239210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2381, 2850, 4275, 4762, 7143, 8550, 11905, 14286, 21429, 23810, 35715, 42858, 45239, 59525, 71430, 90478, 107145, 119050, 135717, 178575, 214290, 226195, 271434, 357150, 407151, 452390, 535725, 678585, 814302, 1071450, 1130975, 1357170, 2035755, 2261950, 3392925, 4071510, 6785850, 10178775, 20357550]

約数ペア:

[(1, 20357550), (2, 10178775), (3, 6785850), (5, 4071510), (6, 3392925), (9, 2261950), (10, 2035755), (15, 1357170), (18, 1130975), (19, 1071450), (25, 814302), (30, 678585), (38, 535725), (45, 452390), (50, 407151), (57, 357150), (75, 271434), (90, 226195), (95, 214290), (114, 178575), (150, 135717), (171, 119050), (190, 107145), (225, 90478), (285, 71430), (342, 59525), (450, 45239), (475, 42858), (570, 35715), (855, 23810), (950, 21429), (1425, 14286), (1710, 11905), (2381, 8550), (2850, 7143), (4275, 4762)]