20009160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 47728440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 191, 194, 216, 270, 291, 360, 382, 388, 485, 540, 573, 582, 764, 776, 873, 955, 970, 1080, 1146, 1164, 1455, 1528, 1719, 1746, 1910, 1940, 2292, 2328, 2619, 2865, 2910, 3438, 3492, 3820, 3880, 4365, 4584, 5157, 5238, 5730, 5820, 6876, 6984, 7640, 8595, 8730, 10314, 10476, 11460, 11640, 13095, 13752, 17190, 17460, 18527, 20628, 20952, 22920, 25785, 26190, 34380, 34920, 37054, 41256, 51570, 52380, 55581, 68760, 74108, 92635, 103140, 104760, 111162, 148216, 166743, 185270, 206280, 222324, 277905, 333486, 370540, 444648, 500229, 555810, 666972, 741080, 833715, 1000458, 1111620, 1333944, 1667430, 2000916, 2223240, 2501145, 3334860, 4001832, 5002290, 6669720, 10004580, 20009160]

約数ペア:

[(1, 20009160), (2, 10004580), (3, 6669720), (4, 5002290), (5, 4001832), (6, 3334860), (8, 2501145), (9, 2223240), (10, 2000916), (12, 1667430), (15, 1333944), (18, 1111620), (20, 1000458), (24, 833715), (27, 741080), (30, 666972), (36, 555810), (40, 500229), (45, 444648), (54, 370540), (60, 333486), (72, 277905), (90, 222324), (97, 206280), (108, 185270), (120, 166743), (135, 148216), (180, 111162), (191, 104760), (194, 103140), (216, 92635), (270, 74108), (291, 68760), (360, 55581), (382, 52380), (388, 51570), (485, 41256), (540, 37054), (573, 34920), (582, 34380), (764, 26190), (776, 25785), (873, 22920), (955, 20952), (970, 20628), (1080, 18527), (1146, 17460), (1164, 17190), (1455, 13752), (1528, 13095), (1719, 11640), (1746, 11460), (1910, 10476), (1940, 10314), (2292, 8730), (2328, 8595), (2619, 7640), (2865, 6984), (2910, 6876), (3438, 5820), (3492, 5730), (3820, 5238), (3880, 5157), (4365, 4584)]