20101720212

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{307}}^1\times {\mathrm{12373}}^1$

素因数の和:12707

約数の個数: 144

約数和(自身を含む): 60826624320

約数和(自身を除く): 40724904108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 307, 378, 441, 588, 614, 756, 882, 921, 1228, 1323, 1764, 1842, 2149, 2646, 2763, 3684, 4298, 5292, 5526, 6447, 8289, 8596, 11052, 12373, 12894, 15043, 16578, 19341, 24746, 25788, 30086, 33156, 37119, 38682, 45129, 49492, 58023, 60172, 74238, 77364, 86611, 90258, 111357, 116046, 135387, 148476, 173222, 180516, 222714, 232092, 259833, 270774, 334071, 346444, 406161, 445428, 519666, 541548, 606277, 668142, 779499, 812322, 1039332, 1212554, 1336284, 1558998, 1624644, 1818831, 2338497, 2425108, 3117996, 3637662, 3798511, 4676994, 5456493, 7275324, 7597022, 9353988, 10912986, 11395533, 15194044, 16369479, 21825972, 22791066, 26589577, 32738958, 34186599, 45582132, 53179154, 65477916, 68373198, 79768731, 102559797, 106358308, 136746396, 159537462, 186127039, 205119594, 239306193, 319074924, 372254078, 410239188, 478612386, 558381117, 717918579, 744508156, 957224772, 1116762234, 1435837158, 1675143351, 2233524468, 2871674316, 3350286702, 5025430053, 6700573404, 10050860106, 20101720212]

約数ペア:

[(1, 20101720212), (2, 10050860106), (3, 6700573404), (4, 5025430053), (6, 3350286702), (7, 2871674316), (9, 2233524468), (12, 1675143351), (14, 1435837158), (18, 1116762234), (21, 957224772), (27, 744508156), (28, 717918579), (36, 558381117), (42, 478612386), (49, 410239188), (54, 372254078), (63, 319074924), (84, 239306193), (98, 205119594), (108, 186127039), (126, 159537462), (147, 136746396), (189, 106358308), (196, 102559797), (252, 79768731), (294, 68373198), (307, 65477916), (378, 53179154), (441, 45582132), (588, 34186599), (614, 32738958), (756, 26589577), (882, 22791066), (921, 21825972), (1228, 16369479), (1323, 15194044), (1764, 11395533), (1842, 10912986), (2149, 9353988), (2646, 7597022), (2763, 7275324), (3684, 5456493), (4298, 4676994), (5292, 3798511), (5526, 3637662), (6447, 3117996), (8289, 2425108), (8596, 2338497), (11052, 1818831), (12373, 1624644), (12894, 1558998), (15043, 1336284), (16578, 1212554), (19341, 1039332), (24746, 812322), (25788, 779499), (30086, 668142), (33156, 606277), (37119, 541548), (38682, 519666), (45129, 445428), (49492, 406161), (58023, 346444), (60172, 334071), (74238, 270774), (77364, 259833), (86611, 232092), (90258, 222714), (111357, 180516), (116046, 173222), (135387, 148476)]