20503926

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26670474

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 167, 171, 334, 342, 359, 501, 718, 1002, 1077, 1503, 2154, 3006, 3173, 3231, 6346, 6462, 6821, 9519, 13642, 19038, 20463, 28557, 40926, 57114, 59953, 61389, 119906, 122778, 179859, 359718, 539577, 1079154, 1139107, 2278214, 3417321, 6834642, 10251963, 20503926]

約数ペア:

[(1, 20503926), (2, 10251963), (3, 6834642), (6, 3417321), (9, 2278214), (18, 1139107), (19, 1079154), (38, 539577), (57, 359718), (114, 179859), (167, 122778), (171, 119906), (334, 61389), (342, 59953), (359, 57114), (501, 40926), (718, 28557), (1002, 20463), (1077, 19038), (1503, 13642), (2154, 9519), (3006, 6821), (3173, 6462), (3231, 6346)]