20697156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30259}}^1$

素因数の和:30288

約数の個数: 36

約数和(自身を含む): 55073200

約数和(自身を除く): 34376044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30259, 60518, 90777, 121036, 181554, 272331, 363108, 544662, 574921, 1089324, 1149842, 1724763, 2299684, 3449526, 5174289, 6899052, 10348578, 20697156]

約数ペア:

[(1, 20697156), (2, 10348578), (3, 6899052), (4, 5174289), (6, 3449526), (9, 2299684), (12, 1724763), (18, 1149842), (19, 1089324), (36, 574921), (38, 544662), (57, 363108), (76, 272331), (114, 181554), (171, 121036), (228, 90777), (342, 60518), (684, 30259)]