20748582

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2221}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 46395360

約数和(自身を除く): 25646778

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2221, 3114, 4442, 4671, 6663, 9342, 13326, 19989, 39978, 59967, 119934, 384233, 768466, 1152699, 2305398, 3458097, 6916194, 10374291, 20748582]

約数ペア:

[(1, 20748582), (2, 10374291), (3, 6916194), (6, 3458097), (9, 2305398), (18, 1152699), (27, 768466), (54, 384233), (173, 119934), (346, 59967), (519, 39978), (1038, 19989), (1557, 13326), (2221, 9342), (3114, 6663), (4442, 4671)]