20683800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11491}}^1$

素因数の和:11513

約数の個数: 72

約数和(自身を含む): 69469140

約数和(自身を除く): 48785340

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, 11491, 22982, 34473, 45964, 57455, 68946, 91928, 103419, 114910, 137892, 172365, 206838, 229820, 275784, 287275, 344730, 413676, 459640, 517095, 574550, 689460, 827352, 861825, 1034190, 1149100, 1378920, 1723650, 2068380, 2298200, 2585475, 3447300, 4136760, 5170950, 6894600, 10341900, 20683800]

約数ペア:

[(1, 20683800), (2, 10341900), (3, 6894600), (4, 5170950), (5, 4136760), (6, 3447300), (8, 2585475), (9, 2298200), (10, 2068380), (12, 1723650), (15, 1378920), (18, 1149100), (20, 1034190), (24, 861825), (25, 827352), (30, 689460), (36, 574550), (40, 517095), (45, 459640), (50, 413676), (60, 344730), (72, 287275), (75, 275784), (90, 229820), (100, 206838), (120, 172365), (150, 137892), (180, 114910), (200, 103419), (225, 91928), (300, 68946), (360, 57455), (450, 45964), (600, 34473), (900, 22982), (1800, 11491)]