20675250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{1021}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 57873816

約数和(自身を除く): 37198566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 1021, 1125, 1350, 2025, 2042, 2250, 3063, 3375, 4050, 5105, 6126, 6750, 9189, 10125, 10210, 15315, 18378, 20250, 25525, 27567, 30630, 45945, 51050, 55134, 76575, 82701, 91890, 127625, 137835, 153150, 165402, 229725, 255250, 275670, 382875, 413505, 459450, 689175, 765750, 827010, 1148625, 1378350, 2067525, 2297250, 3445875, 4135050, 6891750, 10337625, 20675250]

約数ペア:

[(1, 20675250), (2, 10337625), (3, 6891750), (5, 4135050), (6, 3445875), (9, 2297250), (10, 2067525), (15, 1378350), (18, 1148625), (25, 827010), (27, 765750), (30, 689175), (45, 459450), (50, 413505), (54, 382875), (75, 275670), (81, 255250), (90, 229725), (125, 165402), (135, 153150), (150, 137835), (162, 127625), (225, 91890), (250, 82701), (270, 76575), (375, 55134), (405, 51050), (450, 45945), (675, 30630), (750, 27567), (810, 25525), (1021, 20250), (1125, 18378), (1350, 15315), (2025, 10210), (2042, 10125), (2250, 9189), (3063, 6750), (3375, 6126), (4050, 5105)]