20277300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 59121216

約数和(自身を除く): 38843916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 257, 263, 300, 514, 526, 771, 789, 1028, 1052, 1285, 1315, 1542, 1578, 2570, 2630, 3084, 3156, 3855, 3945, 5140, 5260, 6425, 6575, 7710, 7890, 12850, 13150, 15420, 15780, 19275, 19725, 25700, 26300, 38550, 39450, 67591, 77100, 78900, 135182, 202773, 270364, 337955, 405546, 675910, 811092, 1013865, 1351820, 1689775, 2027730, 3379550, 4055460, 5069325, 6759100, 10138650, 20277300]

約数ペア:

[(1, 20277300), (2, 10138650), (3, 6759100), (4, 5069325), (5, 4055460), (6, 3379550), (10, 2027730), (12, 1689775), (15, 1351820), (20, 1013865), (25, 811092), (30, 675910), (50, 405546), (60, 337955), (75, 270364), (100, 202773), (150, 135182), (257, 78900), (263, 77100), (300, 67591), (514, 39450), (526, 38550), (771, 26300), (789, 25700), (1028, 19725), (1052, 19275), (1285, 15780), (1315, 15420), (1542, 13150), (1578, 12850), (2570, 7890), (2630, 7710), (3084, 6575), (3156, 6425), (3855, 5260), (3945, 5140)]