20863800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 71524440

約数和(自身を除く): 50660640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 67, 72, 75, 90, 100, 120, 134, 150, 173, 180, 200, 201, 225, 268, 300, 335, 346, 360, 402, 450, 519, 536, 600, 603, 670, 692, 804, 865, 900, 1005, 1038, 1206, 1340, 1384, 1557, 1608, 1675, 1730, 1800, 2010, 2076, 2412, 2595, 2680, 3015, 3114, 3350, 3460, 4020, 4152, 4325, 4824, 5025, 5190, 6030, 6228, 6700, 6920, 7785, 8040, 8650, 10050, 10380, 11591, 12060, 12456, 12975, 13400, 15075, 15570, 17300, 20100, 20760, 23182, 24120, 25950, 30150, 31140, 34600, 34773, 38925, 40200, 46364, 51900, 57955, 60300, 62280, 69546, 77850, 92728, 103800, 104319, 115910, 120600, 139092, 155700, 173865, 208638, 231820, 278184, 289775, 311400, 347730, 417276, 463640, 521595, 579550, 695460, 834552, 869325, 1043190, 1159100, 1390920, 1738650, 2086380, 2318200, 2607975, 3477300, 4172760, 5215950, 6954600, 10431900, 20863800]

約数ペア:

[(1, 20863800), (2, 10431900), (3, 6954600), (4, 5215950), (5, 4172760), (6, 3477300), (8, 2607975), (9, 2318200), (10, 2086380), (12, 1738650), (15, 1390920), (18, 1159100), (20, 1043190), (24, 869325), (25, 834552), (30, 695460), (36, 579550), (40, 521595), (45, 463640), (50, 417276), (60, 347730), (67, 311400), (72, 289775), (75, 278184), (90, 231820), (100, 208638), (120, 173865), (134, 155700), (150, 139092), (173, 120600), (180, 115910), (200, 104319), (201, 103800), (225, 92728), (268, 77850), (300, 69546), (335, 62280), (346, 60300), (360, 57955), (402, 51900), (450, 46364), (519, 40200), (536, 38925), (600, 34773), (603, 34600), (670, 31140), (692, 30150), (804, 25950), (865, 24120), (900, 23182), (1005, 20760), (1038, 20100), (1206, 17300), (1340, 15570), (1384, 15075), (1557, 13400), (1608, 12975), (1675, 12456), (1730, 12060), (1800, 11591), (2010, 10380), (2076, 10050), (2412, 8650), (2595, 8040), (2680, 7785), (3015, 6920), (3114, 6700), (3350, 6228), (3460, 6030), (4020, 5190), (4152, 5025), (4325, 4824)]