20402448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2312

約数の個数: 80

約数和(自身を含む): 60906816

約数和(自身を除く): 40504368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2273, 2992, 4488, 4546, 6819, 8976, 9092, 13638, 18184, 25003, 27276, 36368, 38641, 50006, 54552, 75009, 77282, 100012, 109104, 115923, 150018, 154564, 200024, 231846, 300036, 309128, 400048, 425051, 463692, 600072, 618256, 850102, 927384, 1200144, 1275153, 1700204, 1854768, 2550306, 3400408, 5100612, 6800816, 10201224, 20402448]

約数ペア:

[(1, 20402448), (2, 10201224), (3, 6800816), (4, 5100612), (6, 3400408), (8, 2550306), (11, 1854768), (12, 1700204), (16, 1275153), (17, 1200144), (22, 927384), (24, 850102), (33, 618256), (34, 600072), (44, 463692), (48, 425051), (51, 400048), (66, 309128), (68, 300036), (88, 231846), (102, 200024), (132, 154564), (136, 150018), (176, 115923), (187, 109104), (204, 100012), (264, 77282), (272, 75009), (374, 54552), (408, 50006), (528, 38641), (561, 36368), (748, 27276), (816, 25003), (1122, 18184), (1496, 13638), (2244, 9092), (2273, 8976), (2992, 6819), (4488, 4546)]