20808650

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5701}}^1$

素因数の和:5786

約数の個数: 24

約数和(自身を含む): 39241164

約数和(自身を除く): 18432514

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5701, 11402, 28505, 57010, 142525, 285050, 416173, 832346, 2080865, 4161730, 10404325, 20808650]

約数ペア:

[(1, 20808650), (2, 10404325), (5, 4161730), (10, 2080865), (25, 832346), (50, 416173), (73, 285050), (146, 142525), (365, 57010), (730, 28505), (1825, 11402), (3650, 5701)]