20291400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11273}}^1$

素因数の和:11295

約数の個数: 72

約数和(自身を含む): 68151330

約数和(自身を除く): 47859930

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11273, 22546, 33819, 45092, 56365, 67638, 90184, 101457, 112730, 135276, 169095, 202914, 225460, 270552, 281825, 338190, 405828, 450920, 507285, 563650, 676380, 811656, 845475, 1014570, 1127300, 1352760, 1690950, 2029140, 2254600, 2536425, 3381900, 4058280, 5072850, 6763800, 10145700, 20291400]

約数ペア:

[(1, 20291400), (2, 10145700), (3, 6763800), (4, 5072850), (5, 4058280), (6, 3381900), (8, 2536425), (9, 2254600), (10, 2029140), (12, 1690950), (15, 1352760), (18, 1127300), (20, 1014570), (24, 845475), (25, 811656), (30, 676380), (36, 563650), (40, 507285), (45, 450920), (50, 405828), (60, 338190), (72, 281825), (75, 270552), (90, 225460), (100, 202914), (120, 169095), (150, 135276), (180, 112730), (200, 101457), (225, 90184), (300, 67638), (360, 56365), (450, 45092), (600, 33819), (900, 22546), (1800, 11273)]