20342700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3229}}^1$

素因数の和:3256

約数の個数: 108

約数和(自身を含む): 72894640

約数和(自身を除く): 52551940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3229, 6300, 6458, 9687, 12916, 16145, 19374, 22603, 29061, 32290, 38748, 45206, 48435, 58122, 64580, 67809, 80725, 90412, 96870, 113015, 116244, 135618, 145305, 161450, 193740, 203427, 226030, 242175, 271236, 290610, 322900, 339045, 406854, 452060, 484350, 565075, 581220, 678090, 726525, 813708, 968700, 1017135, 1130150, 1356180, 1453050, 1695225, 2034270, 2260300, 2906100, 3390450, 4068540, 5085675, 6780900, 10171350, 20342700]

約数ペア:

[(1, 20342700), (2, 10171350), (3, 6780900), (4, 5085675), (5, 4068540), (6, 3390450), (7, 2906100), (9, 2260300), (10, 2034270), (12, 1695225), (14, 1453050), (15, 1356180), (18, 1130150), (20, 1017135), (21, 968700), (25, 813708), (28, 726525), (30, 678090), (35, 581220), (36, 565075), (42, 484350), (45, 452060), (50, 406854), (60, 339045), (63, 322900), (70, 290610), (75, 271236), (84, 242175), (90, 226030), (100, 203427), (105, 193740), (126, 161450), (140, 145305), (150, 135618), (175, 116244), (180, 113015), (210, 96870), (225, 90412), (252, 80725), (300, 67809), (315, 64580), (350, 58122), (420, 48435), (450, 45206), (525, 38748), (630, 32290), (700, 29061), (900, 22603), (1050, 19374), (1260, 16145), (1575, 12916), (2100, 9687), (3150, 6458), (3229, 6300)]