20127408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 40940112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1619, 1776, 2072, 3108, 3238, 4144, 4857, 6216, 6476, 9714, 11333, 12432, 12952, 19428, 22666, 25904, 33999, 38856, 45332, 59903, 67998, 77712, 90664, 119806, 135996, 179709, 181328, 239612, 271992, 359418, 419321, 479224, 543984, 718836, 838642, 958448, 1257963, 1437672, 1677284, 2515926, 2875344, 3354568, 5031852, 6709136, 10063704, 20127408]

約数ペア:

[(1, 20127408), (2, 10063704), (3, 6709136), (4, 5031852), (6, 3354568), (7, 2875344), (8, 2515926), (12, 1677284), (14, 1437672), (16, 1257963), (21, 958448), (24, 838642), (28, 718836), (37, 543984), (42, 479224), (48, 419321), (56, 359418), (74, 271992), (84, 239612), (111, 181328), (112, 179709), (148, 135996), (168, 119806), (222, 90664), (259, 77712), (296, 67998), (336, 59903), (444, 45332), (518, 38856), (592, 33999), (777, 25904), (888, 22666), (1036, 19428), (1554, 12952), (1619, 12432), (1776, 11333), (2072, 9714), (3108, 6476), (3238, 6216), (4144, 4857)]