20081208564

素因数分解:

$2^2\times 3^2\times {\mathrm{293}}^1\times {\mathrm{907}}^1\times {\mathrm{2099}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 51014527200

約数和(自身を除く): 30933318636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 293, 586, 879, 907, 1172, 1758, 1814, 2099, 2637, 2721, 3516, 3628, 4198, 5274, 5442, 6297, 8163, 8396, 10548, 10884, 12594, 16326, 18891, 25188, 32652, 37782, 75564, 265751, 531502, 615007, 797253, 1063004, 1230014, 1594506, 1845021, 1903793, 2391759, 2460028, 3189012, 3690042, 3807586, 4783518, 5535063, 5711379, 7380084, 7615172, 9567036, 11070126, 11422758, 17134137, 22140252, 22845516, 34268274, 68536548, 557811349, 1115622698, 1673434047, 2231245396, 3346868094, 5020302141, 6693736188, 10040604282, 20081208564]

約数ペア:

[(1, 20081208564), (2, 10040604282), (3, 6693736188), (4, 5020302141), (6, 3346868094), (9, 2231245396), (12, 1673434047), (18, 1115622698), (36, 557811349), (293, 68536548), (586, 34268274), (879, 22845516), (907, 22140252), (1172, 17134137), (1758, 11422758), (1814, 11070126), (2099, 9567036), (2637, 7615172), (2721, 7380084), (3516, 5711379), (3628, 5535063), (4198, 4783518), (5274, 3807586), (5442, 3690042), (6297, 3189012), (8163, 2460028), (8396, 2391759), (10548, 1903793), (10884, 1845021), (12594, 1594506), (16326, 1230014), (18891, 1063004), (25188, 797253), (32652, 615007), (37782, 531502), (75564, 265751)]