20373400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 51068160

約数和(自身を除く): 30694760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 43, 46, 50, 86, 92, 100, 103, 115, 172, 184, 200, 206, 215, 230, 344, 412, 430, 460, 515, 575, 824, 860, 920, 989, 1030, 1075, 1150, 1720, 1978, 2060, 2150, 2300, 2369, 2575, 3956, 4120, 4300, 4429, 4600, 4738, 4945, 5150, 7912, 8600, 8858, 9476, 9890, 10300, 11845, 17716, 18952, 19780, 20600, 22145, 23690, 24725, 35432, 39560, 44290, 47380, 49450, 59225, 88580, 94760, 98900, 101867, 110725, 118450, 177160, 197800, 203734, 221450, 236900, 407468, 442900, 473800, 509335, 814936, 885800, 1018670, 2037340, 2546675, 4074680, 5093350, 10186700, 20373400]

約数ペア:

[(1, 20373400), (2, 10186700), (4, 5093350), (5, 4074680), (8, 2546675), (10, 2037340), (20, 1018670), (23, 885800), (25, 814936), (40, 509335), (43, 473800), (46, 442900), (50, 407468), (86, 236900), (92, 221450), (100, 203734), (103, 197800), (115, 177160), (172, 118450), (184, 110725), (200, 101867), (206, 98900), (215, 94760), (230, 88580), (344, 59225), (412, 49450), (430, 47380), (460, 44290), (515, 39560), (575, 35432), (824, 24725), (860, 23690), (920, 22145), (989, 20600), (1030, 19780), (1075, 18952), (1150, 17716), (1720, 11845), (1978, 10300), (2060, 9890), (2150, 9476), (2300, 8858), (2369, 8600), (2575, 7912), (3956, 5150), (4120, 4945), (4300, 4738), (4429, 4600)]