20343000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6781}}^1$

素因数の和:6805

約数の個数: 64

約数和(自身を含む): 63479520

約数和(自身を除く): 43136520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6781, 13562, 20343, 27124, 33905, 40686, 54248, 67810, 81372, 101715, 135620, 162744, 169525, 203430, 271240, 339050, 406860, 508575, 678100, 813720, 847625, 1017150, 1356200, 1695250, 2034300, 2542875, 3390500, 4068600, 5085750, 6781000, 10171500, 20343000]

約数ペア:

[(1, 20343000), (2, 10171500), (3, 6781000), (4, 5085750), (5, 4068600), (6, 3390500), (8, 2542875), (10, 2034300), (12, 1695250), (15, 1356200), (20, 1017150), (24, 847625), (25, 813720), (30, 678100), (40, 508575), (50, 406860), (60, 339050), (75, 271240), (100, 203430), (120, 169525), (125, 162744), (150, 135620), (200, 101715), (250, 81372), (300, 67810), (375, 54248), (500, 40686), (600, 33905), (750, 27124), (1000, 20343), (1500, 13562), (3000, 6781)]