20476680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1323

約数の個数: 128

約数和(自身を含む): 73958400

約数和(自身を除く): 53481720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1283, 1330, 1596, 1995, 2280, 2566, 2660, 3192, 3849, 3990, 5132, 5320, 6415, 7698, 7980, 8981, 10264, 12830, 15396, 15960, 17962, 19245, 24377, 25660, 26943, 30792, 35924, 38490, 44905, 48754, 51320, 53886, 71848, 73131, 76980, 89810, 97508, 107772, 121885, 134715, 146262, 153960, 170639, 179620, 195016, 215544, 243770, 269430, 292524, 341278, 359240, 365655, 487540, 511917, 538860, 585048, 682556, 731310, 853195, 975080, 1023834, 1077720, 1365112, 1462620, 1706390, 2047668, 2559585, 2925240, 3412780, 4095336, 5119170, 6825560, 10238340, 20476680]

約数ペア:

[(1, 20476680), (2, 10238340), (3, 6825560), (4, 5119170), (5, 4095336), (6, 3412780), (7, 2925240), (8, 2559585), (10, 2047668), (12, 1706390), (14, 1462620), (15, 1365112), (19, 1077720), (20, 1023834), (21, 975080), (24, 853195), (28, 731310), (30, 682556), (35, 585048), (38, 538860), (40, 511917), (42, 487540), (56, 365655), (57, 359240), (60, 341278), (70, 292524), (76, 269430), (84, 243770), (95, 215544), (105, 195016), (114, 179620), (120, 170639), (133, 153960), (140, 146262), (152, 134715), (168, 121885), (190, 107772), (210, 97508), (228, 89810), (266, 76980), (280, 73131), (285, 71848), (380, 53886), (399, 51320), (420, 48754), (456, 44905), (532, 38490), (570, 35924), (665, 30792), (760, 26943), (798, 25660), (840, 24377), (1064, 19245), (1140, 17962), (1283, 15960), (1330, 15396), (1596, 12830), (1995, 10264), (2280, 8981), (2566, 7980), (2660, 7698), (3192, 6415), (3849, 5320), (3990, 5132)]