20576460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20173}}^1$

素因数の和:20202

約数の個数: 48

約数和(自身を含む): 61006176

約数和(自身を除く): 40429716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20173, 40346, 60519, 80692, 100865, 121038, 201730, 242076, 302595, 342941, 403460, 605190, 685882, 1028823, 1210380, 1371764, 1714705, 2057646, 3429410, 4115292, 5144115, 6858820, 10288230, 20576460]

約数ペア:

[(1, 20576460), (2, 10288230), (3, 6858820), (4, 5144115), (5, 4115292), (6, 3429410), (10, 2057646), (12, 1714705), (15, 1371764), (17, 1210380), (20, 1028823), (30, 685882), (34, 605190), (51, 403460), (60, 342941), (68, 302595), (85, 242076), (102, 201730), (170, 121038), (204, 100865), (255, 80692), (340, 60519), (510, 40346), (1020, 20173)]