20914200

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 120

約数和(自身を含む): 72694380

約数和(自身を除く): 51780180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1291, 1350, 1620, 1800, 2025, 2582, 2700, 3240, 3873, 4050, 5164, 5400, 6455, 7746, 8100, 10328, 11619, 12910, 15492, 16200, 19365, 23238, 25820, 30984, 32275, 34857, 38730, 46476, 51640, 58095, 64550, 69714, 77460, 92952, 96825, 104571, 116190, 129100, 139428, 154920, 174285, 193650, 209142, 232380, 258200, 278856, 290475, 348570, 387300, 418284, 464760, 522855, 580950, 697140, 774600, 836568, 871425, 1045710, 1161900, 1394280, 1742850, 2091420, 2323800, 2614275, 3485700, 4182840, 5228550, 6971400, 10457100, 20914200]

約数ペア:

[(1, 20914200), (2, 10457100), (3, 6971400), (4, 5228550), (5, 4182840), (6, 3485700), (8, 2614275), (9, 2323800), (10, 2091420), (12, 1742850), (15, 1394280), (18, 1161900), (20, 1045710), (24, 871425), (25, 836568), (27, 774600), (30, 697140), (36, 580950), (40, 522855), (45, 464760), (50, 418284), (54, 387300), (60, 348570), (72, 290475), (75, 278856), (81, 258200), (90, 232380), (100, 209142), (108, 193650), (120, 174285), (135, 154920), (150, 139428), (162, 129100), (180, 116190), (200, 104571), (216, 96825), (225, 92952), (270, 77460), (300, 69714), (324, 64550), (360, 58095), (405, 51640), (450, 46476), (540, 38730), (600, 34857), (648, 32275), (675, 30984), (810, 25820), (900, 23238), (1080, 19365), (1291, 16200), (1350, 15492), (1620, 12910), (1800, 11619), (2025, 10328), (2582, 8100), (2700, 7746), (3240, 6455), (3873, 5400), (4050, 5164)]