20512483194

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1777}}^1$

素因数の和:1953

約数の個数: 128

約数和(自身を含む): 49158144000

約数和(自身を除く): 28645660806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 79, 98, 142, 147, 158, 213, 237, 294, 343, 426, 474, 497, 553, 686, 994, 1029, 1106, 1491, 1659, 1777, 2058, 2982, 3318, 3479, 3554, 3871, 5331, 5609, 6958, 7742, 10437, 10662, 11218, 11613, 12439, 16827, 20874, 23226, 24353, 24878, 27097, 33654, 37317, 39263, 48706, 54194, 73059, 74634, 78526, 81291, 87073, 117789, 126167, 140383, 146118, 162582, 174146, 235578, 252334, 261219, 274841, 280766, 378501, 421149, 522438, 549682, 609511, 757002, 824523, 842298, 883169, 982681, 1219022, 1649046, 1766338, 1828533, 1923887, 1965362, 2649507, 2948043, 3657066, 3847774, 5299014, 5771661, 5896086, 6182183, 6878767, 9967193, 11543322, 12364366, 13757534, 18546549, 19934386, 20636301, 29901579, 37093098, 41272602, 43275281, 48151369, 59803158, 69770351, 86550562, 96302738, 129825843, 139540702, 144454107, 209311053, 259651686, 288908214, 418622106, 488392457, 976784914, 1465177371, 2930354742, 3418747199, 6837494398, 10256241597, 20512483194]

約数ペア:

[(1, 20512483194), (2, 10256241597), (3, 6837494398), (6, 3418747199), (7, 2930354742), (14, 1465177371), (21, 976784914), (42, 488392457), (49, 418622106), (71, 288908214), (79, 259651686), (98, 209311053), (142, 144454107), (147, 139540702), (158, 129825843), (213, 96302738), (237, 86550562), (294, 69770351), (343, 59803158), (426, 48151369), (474, 43275281), (497, 41272602), (553, 37093098), (686, 29901579), (994, 20636301), (1029, 19934386), (1106, 18546549), (1491, 13757534), (1659, 12364366), (1777, 11543322), (2058, 9967193), (2982, 6878767), (3318, 6182183), (3479, 5896086), (3554, 5771661), (3871, 5299014), (5331, 3847774), (5609, 3657066), (6958, 2948043), (7742, 2649507), (10437, 1965362), (10662, 1923887), (11218, 1828533), (11613, 1766338), (12439, 1649046), (16827, 1219022), (20874, 982681), (23226, 883169), (24353, 842298), (24878, 824523), (27097, 757002), (33654, 609511), (37317, 549682), (39263, 522438), (48706, 421149), (54194, 378501), (73059, 280766), (74634, 274841), (78526, 261219), (81291, 252334), (87073, 235578), (117789, 174146), (126167, 162582), (140383, 146118)]