20074978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 38176128

約数和(自身を除く): 18101150

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2137, 4274, 4697, 9394, 14959, 23507, 29918, 47014, 130357, 164549, 260714, 329098, 912499, 1433927, 1824998, 2867854, 10037489, 20074978]

約数ペア:

[(1, 20074978), (2, 10037489), (7, 2867854), (11, 1824998), (14, 1433927), (22, 912499), (61, 329098), (77, 260714), (122, 164549), (154, 130357), (427, 47014), (671, 29918), (854, 23507), (1342, 14959), (2137, 9394), (4274, 4697)]