20355750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 56216160

約数和(自身を除く): 35860410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 83, 90, 109, 125, 150, 166, 218, 225, 249, 250, 327, 375, 415, 450, 498, 545, 654, 747, 750, 830, 981, 1090, 1125, 1245, 1494, 1635, 1962, 2075, 2250, 2490, 2725, 3270, 3735, 4150, 4905, 5450, 6225, 7470, 8175, 9047, 9810, 10375, 12450, 13625, 16350, 18094, 18675, 20750, 24525, 27141, 27250, 31125, 37350, 40875, 45235, 49050, 54282, 62250, 81423, 81750, 90470, 93375, 122625, 135705, 162846, 186750, 226175, 245250, 271410, 407115, 452350, 678525, 814230, 1130875, 1357050, 2035575, 2261750, 3392625, 4071150, 6785250, 10177875, 20355750]

約数ペア:

[(1, 20355750), (2, 10177875), (3, 6785250), (5, 4071150), (6, 3392625), (9, 2261750), (10, 2035575), (15, 1357050), (18, 1130875), (25, 814230), (30, 678525), (45, 452350), (50, 407115), (75, 271410), (83, 245250), (90, 226175), (109, 186750), (125, 162846), (150, 135705), (166, 122625), (218, 93375), (225, 90470), (249, 81750), (250, 81423), (327, 62250), (375, 54282), (415, 49050), (450, 45235), (498, 40875), (545, 37350), (654, 31125), (747, 27250), (750, 27141), (830, 24525), (981, 20750), (1090, 18675), (1125, 18094), (1245, 16350), (1494, 13625), (1635, 12450), (1962, 10375), (2075, 9810), (2250, 9047), (2490, 8175), (2725, 7470), (3270, 6225), (3735, 5450), (4150, 4905)]