20623533

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 13487187

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1409, 2091, 4227, 4879, 9863, 14637, 23953, 29589, 57769, 71859, 167671, 173307, 404383, 503013, 982073, 1213149, 2946219, 6874511, 20623533]

約数ペア:

[(1, 20623533), (3, 6874511), (7, 2946219), (17, 1213149), (21, 982073), (41, 503013), (51, 404383), (119, 173307), (123, 167671), (287, 71859), (357, 57769), (697, 29589), (861, 23953), (1409, 14637), (2091, 9863), (4227, 4879)]