20172959900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{66293}}^1$

素因数の和:66503

約数の個数: 72

約数和(自身を含む): 46609985520

約数和(自身を除く): 26437025620

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 179, 340, 358, 425, 716, 850, 895, 1700, 1790, 3043, 3580, 4475, 6086, 8950, 12172, 15215, 17900, 30430, 60860, 66293, 76075, 132586, 152150, 265172, 304300, 331465, 662930, 1126981, 1325860, 1657325, 2253962, 3314650, 4507924, 5634905, 6629300, 11269810, 11866447, 22539620, 23732894, 28174525, 47465788, 56349050, 59332235, 112698100, 118664470, 201729599, 237328940, 296661175, 403459198, 593322350, 806918396, 1008647995, 1186644700, 2017295990, 4034591980, 5043239975, 10086479950, 20172959900]

約数ペア:

[(1, 20172959900), (2, 10086479950), (4, 5043239975), (5, 4034591980), (10, 2017295990), (17, 1186644700), (20, 1008647995), (25, 806918396), (34, 593322350), (50, 403459198), (68, 296661175), (85, 237328940), (100, 201729599), (170, 118664470), (179, 112698100), (340, 59332235), (358, 56349050), (425, 47465788), (716, 28174525), (850, 23732894), (895, 22539620), (1700, 11866447), (1790, 11269810), (3043, 6629300), (3580, 5634905), (4475, 4507924), (6086, 3314650), (8950, 2253962), (12172, 1657325), (15215, 1325860), (17900, 1126981), (30430, 662930), (60860, 331465), (66293, 304300), (76075, 265172), (132586, 152150)]