20187854552

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{2437}}^1\times {\mathrm{3583}}^1$

素因数の和:6060

約数の個数: 48

約数和(自身を含む): 40237532160

約数和(自身を除く): 20049677608

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 2437, 3583, 4874, 7166, 9748, 14332, 19496, 28664, 41429, 60911, 82858, 121822, 165716, 243644, 331432, 487288, 704293, 1035487, 1408586, 2070974, 2817172, 4141948, 5634344, 8283896, 8731771, 17463542, 34927084, 69854168, 148440107, 296880214, 593760428, 1187520856, 2523481819, 5046963638, 10093927276, 20187854552]

約数ペア:

[(1, 20187854552), (2, 10093927276), (4, 5046963638), (8, 2523481819), (17, 1187520856), (34, 593760428), (68, 296880214), (136, 148440107), (289, 69854168), (578, 34927084), (1156, 17463542), (2312, 8731771), (2437, 8283896), (3583, 5634344), (4874, 4141948), (7166, 2817172), (9748, 2070974), (14332, 1408586), (19496, 1035487), (28664, 704293), (41429, 487288), (60911, 331432), (82858, 243644), (121822, 165716)]