20613000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6871}}^1$

素因数の和:6895

約数の個数: 64

約数和(自身を含む): 64321920

約数和(自身を除く): 43708920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6871, 13742, 20613, 27484, 34355, 41226, 54968, 68710, 82452, 103065, 137420, 164904, 171775, 206130, 274840, 343550, 412260, 515325, 687100, 824520, 858875, 1030650, 1374200, 1717750, 2061300, 2576625, 3435500, 4122600, 5153250, 6871000, 10306500, 20613000]

約数ペア:

[(1, 20613000), (2, 10306500), (3, 6871000), (4, 5153250), (5, 4122600), (6, 3435500), (8, 2576625), (10, 2061300), (12, 1717750), (15, 1374200), (20, 1030650), (24, 858875), (25, 824520), (30, 687100), (40, 515325), (50, 412260), (60, 343550), (75, 274840), (100, 206130), (120, 171775), (125, 164904), (150, 137420), (200, 103065), (250, 82452), (300, 68710), (375, 54968), (500, 41226), (600, 34355), (750, 27484), (1000, 20613), (1500, 13742), (3000, 6871)]