20895140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149251}}^1$

素因数の和:149267

約数の個数: 24

約数和(自身を含む): 50148672

約数和(自身を除く): 29253532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149251, 298502, 597004, 746255, 1044757, 1492510, 2089514, 2985020, 4179028, 5223785, 10447570, 20895140]

約数ペア:

[(1, 20895140), (2, 10447570), (4, 5223785), (5, 4179028), (7, 2985020), (10, 2089514), (14, 1492510), (20, 1044757), (28, 746255), (35, 597004), (70, 298502), (140, 149251)]