20873850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 54246528

約数和(自身を除く): 33372678

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 67, 75, 93, 134, 150, 155, 186, 201, 310, 335, 402, 465, 670, 775, 930, 1005, 1550, 1675, 2010, 2077, 2325, 3350, 4154, 4489, 4650, 5025, 6231, 8978, 10050, 10385, 12462, 13467, 20770, 22445, 26934, 31155, 44890, 51925, 62310, 67335, 103850, 112225, 134670, 139159, 155775, 224450, 278318, 311550, 336675, 417477, 673350, 695795, 834954, 1391590, 2087385, 3478975, 4174770, 6957950, 10436925, 20873850]

約数ペア:

[(1, 20873850), (2, 10436925), (3, 6957950), (5, 4174770), (6, 3478975), (10, 2087385), (15, 1391590), (25, 834954), (30, 695795), (31, 673350), (50, 417477), (62, 336675), (67, 311550), (75, 278318), (93, 224450), (134, 155775), (150, 139159), (155, 134670), (186, 112225), (201, 103850), (310, 67335), (335, 62310), (402, 51925), (465, 44890), (670, 31155), (775, 26934), (930, 22445), (1005, 20770), (1550, 13467), (1675, 12462), (2010, 10385), (2077, 10050), (2325, 8978), (3350, 6231), (4154, 5025), (4489, 4650)]