20430954

素因数分解:

$2^1\times 3^{10}\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 44

約数和(自身を含む): 46235106

約数和(自身を除く): 25804152

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 173, 243, 346, 486, 519, 729, 1038, 1458, 1557, 2187, 3114, 4374, 4671, 6561, 9342, 13122, 14013, 19683, 28026, 39366, 42039, 59049, 84078, 118098, 126117, 252234, 378351, 756702, 1135053, 2270106, 3405159, 6810318, 10215477, 20430954]

約数ペア:

[(1, 20430954), (2, 10215477), (3, 6810318), (6, 3405159), (9, 2270106), (18, 1135053), (27, 756702), (54, 378351), (81, 252234), (162, 126117), (173, 118098), (243, 84078), (346, 59049), (486, 42039), (519, 39366), (729, 28026), (1038, 19683), (1458, 14013), (1557, 13122), (2187, 9342), (3114, 6561), (4374, 4671)]