20135178

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:676

約数の個数: 72

約数和(自身を含む): 52204932

約数和(自身を除く): 32069754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 617, 666, 777, 882, 1234, 1554, 1813, 1851, 2331, 3626, 3702, 4319, 4662, 5439, 5553, 8638, 10878, 11106, 12957, 16317, 22829, 25914, 30233, 32634, 38871, 45658, 60466, 68487, 77742, 90699, 136974, 159803, 181398, 205461, 272097, 319606, 410922, 479409, 544194, 958818, 1118621, 1438227, 2237242, 2876454, 3355863, 6711726, 10067589, 20135178]

約数ペア:

[(1, 20135178), (2, 10067589), (3, 6711726), (6, 3355863), (7, 2876454), (9, 2237242), (14, 1438227), (18, 1118621), (21, 958818), (37, 544194), (42, 479409), (49, 410922), (63, 319606), (74, 272097), (98, 205461), (111, 181398), (126, 159803), (147, 136974), (222, 90699), (259, 77742), (294, 68487), (333, 60466), (441, 45658), (518, 38871), (617, 32634), (666, 30233), (777, 25914), (882, 22829), (1234, 16317), (1554, 12957), (1813, 11106), (1851, 10878), (2331, 8638), (3626, 5553), (3702, 5439), (4319, 4662)]