19946780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1$

素因数の和:96

約数の個数: 96

約数和(自身を含む): 52617600

約数和(自身を除く): 32670820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 289, 290, 340, 406, 476, 493, 578, 580, 595, 812, 986, 1015, 1156, 1190, 1445, 1972, 2023, 2030, 2380, 2465, 2890, 3451, 4046, 4060, 4913, 4930, 5780, 6902, 8092, 8381, 9826, 9860, 10115, 13804, 16762, 17255, 19652, 20230, 24565, 33524, 34391, 34510, 40460, 41905, 49130, 58667, 68782, 69020, 83810, 98260, 117334, 137564, 142477, 167620, 171955, 234668, 284954, 293335, 343910, 569908, 586670, 687820, 712385, 997339, 1173340, 1424770, 1994678, 2849540, 3989356, 4986695, 9973390, 19946780]

約数ペア:

[(1, 19946780), (2, 9973390), (4, 4986695), (5, 3989356), (7, 2849540), (10, 1994678), (14, 1424770), (17, 1173340), (20, 997339), (28, 712385), (29, 687820), (34, 586670), (35, 569908), (58, 343910), (68, 293335), (70, 284954), (85, 234668), (116, 171955), (119, 167620), (140, 142477), (145, 137564), (170, 117334), (203, 98260), (238, 83810), (289, 69020), (290, 68782), (340, 58667), (406, 49130), (476, 41905), (493, 40460), (578, 34510), (580, 34391), (595, 33524), (812, 24565), (986, 20230), (1015, 19652), (1156, 17255), (1190, 16762), (1445, 13804), (1972, 10115), (2023, 9860), (2030, 9826), (2380, 8381), (2465, 8092), (2890, 6902), (3451, 5780), (4046, 4930), (4060, 4913)]