20521350

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 84

約数和(自身を含む): 57330036

約数和(自身を除く): 36808686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 563, 675, 729, 810, 1126, 1215, 1350, 1458, 1689, 2025, 2430, 2815, 3378, 3645, 4050, 5067, 5630, 6075, 7290, 8445, 10134, 12150, 14075, 15201, 16890, 18225, 25335, 28150, 30402, 36450, 42225, 45603, 50670, 76005, 84450, 91206, 126675, 136809, 152010, 228015, 253350, 273618, 380025, 410427, 456030, 684045, 760050, 820854, 1140075, 1368090, 2052135, 2280150, 3420225, 4104270, 6840450, 10260675, 20521350]

約数ペア:

[(1, 20521350), (2, 10260675), (3, 6840450), (5, 4104270), (6, 3420225), (9, 2280150), (10, 2052135), (15, 1368090), (18, 1140075), (25, 820854), (27, 760050), (30, 684045), (45, 456030), (50, 410427), (54, 380025), (75, 273618), (81, 253350), (90, 228015), (135, 152010), (150, 136809), (162, 126675), (225, 91206), (243, 84450), (270, 76005), (405, 50670), (450, 45603), (486, 42225), (563, 36450), (675, 30402), (729, 28150), (810, 25335), (1126, 18225), (1215, 16890), (1350, 15201), (1458, 14075), (1689, 12150), (2025, 10134), (2430, 8445), (2815, 7290), (3378, 6075), (3645, 5630), (4050, 5067)]