20571750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 57238272

約数和(自身を除く): 36666522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 75, 82, 90, 123, 125, 150, 205, 223, 225, 246, 250, 369, 375, 410, 446, 450, 615, 669, 738, 750, 1025, 1115, 1125, 1230, 1338, 1845, 2007, 2050, 2230, 2250, 3075, 3345, 3690, 4014, 5125, 5575, 6150, 6690, 9143, 9225, 10035, 10250, 11150, 15375, 16725, 18286, 18450, 20070, 27429, 27875, 30750, 33450, 45715, 46125, 50175, 54858, 55750, 82287, 83625, 91430, 92250, 100350, 137145, 164574, 167250, 228575, 250875, 274290, 411435, 457150, 501750, 685725, 822870, 1142875, 1371450, 2057175, 2285750, 3428625, 4114350, 6857250, 10285875, 20571750]

約数ペア:

[(1, 20571750), (2, 10285875), (3, 6857250), (5, 4114350), (6, 3428625), (9, 2285750), (10, 2057175), (15, 1371450), (18, 1142875), (25, 822870), (30, 685725), (41, 501750), (45, 457150), (50, 411435), (75, 274290), (82, 250875), (90, 228575), (123, 167250), (125, 164574), (150, 137145), (205, 100350), (223, 92250), (225, 91430), (246, 83625), (250, 82287), (369, 55750), (375, 54858), (410, 50175), (446, 46125), (450, 45715), (615, 33450), (669, 30750), (738, 27875), (750, 27429), (1025, 20070), (1115, 18450), (1125, 18286), (1230, 16725), (1338, 15375), (1845, 11150), (2007, 10250), (2050, 10035), (2230, 9225), (2250, 9143), (3075, 6690), (3345, 6150), (3690, 5575), (4014, 5125)]