20790522

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 30427398

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 37, 38, 53, 57, 62, 74, 93, 106, 111, 114, 159, 171, 186, 222, 279, 318, 333, 342, 477, 558, 589, 666, 703, 954, 1007, 1147, 1178, 1406, 1643, 1767, 1961, 2014, 2109, 2294, 3021, 3286, 3441, 3534, 3922, 4218, 4929, 5301, 5883, 6042, 6327, 6882, 9063, 9858, 10323, 10602, 11766, 12654, 14787, 17649, 18126, 20646, 21793, 29574, 31217, 35298, 37259, 43586, 60791, 62434, 65379, 74518, 93651, 111777, 121582, 130758, 182373, 187302, 196137, 223554, 280953, 335331, 364746, 392274, 547119, 561906, 670662, 1094238, 1155029, 2310058, 3465087, 6930174, 10395261, 20790522]

約数ペア:

[(1, 20790522), (2, 10395261), (3, 6930174), (6, 3465087), (9, 2310058), (18, 1155029), (19, 1094238), (31, 670662), (37, 561906), (38, 547119), (53, 392274), (57, 364746), (62, 335331), (74, 280953), (93, 223554), (106, 196137), (111, 187302), (114, 182373), (159, 130758), (171, 121582), (186, 111777), (222, 93651), (279, 74518), (318, 65379), (333, 62434), (342, 60791), (477, 43586), (558, 37259), (589, 35298), (666, 31217), (703, 29574), (954, 21793), (1007, 20646), (1147, 18126), (1178, 17649), (1406, 14787), (1643, 12654), (1767, 11766), (1961, 10602), (2014, 10323), (2109, 9858), (2294, 9063), (3021, 6882), (3286, 6327), (3441, 6042), (3534, 5883), (3922, 5301), (4218, 4929)]