16420028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 32659200

約数和(自身を除く): 16239172

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 179, 284, 323, 358, 646, 716, 1207, 1292, 1349, 2414, 2698, 3043, 3401, 4828, 5396, 6086, 6802, 12172, 12709, 13604, 22933, 25418, 45866, 50836, 57817, 91732, 115634, 216053, 231268, 241471, 432106, 482942, 864212, 965884, 4105007, 8210014, 16420028]

約数ペア:

[(1, 16420028), (2, 8210014), (4, 4105007), (17, 965884), (19, 864212), (34, 482942), (38, 432106), (68, 241471), (71, 231268), (76, 216053), (142, 115634), (179, 91732), (284, 57817), (323, 50836), (358, 45866), (646, 25418), (716, 22933), (1207, 13604), (1292, 12709), (1349, 12172), (2414, 6802), (2698, 6086), (3043, 5396), (3401, 4828)]