20500146

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30781}}^1$

素因数の和:30826

約数の個数: 24

約数和(自身を含む): 45618924

約数和(自身を除く): 25118778

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30781, 61562, 92343, 184686, 277029, 554058, 1138897, 2277794, 3416691, 6833382, 10250073, 20500146]

約数ペア:

[(1, 20500146), (2, 10250073), (3, 6833382), (6, 3416691), (9, 2277794), (18, 1138897), (37, 554058), (74, 277029), (111, 184686), (222, 92343), (333, 61562), (666, 30781)]