20473956

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 54862080

約数和(自身を除く): 34388124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 313, 316, 414, 474, 626, 711, 828, 939, 948, 1252, 1422, 1817, 1878, 2817, 2844, 3634, 3756, 5451, 5634, 7199, 7268, 10902, 11268, 14398, 16353, 21597, 21804, 24727, 28796, 32706, 43194, 49454, 64791, 65412, 74181, 86388, 98908, 129582, 148362, 222543, 259164, 296724, 445086, 568721, 890172, 1137442, 1706163, 2274884, 3412326, 5118489, 6824652, 10236978, 20473956]

約数ペア:

[(1, 20473956), (2, 10236978), (3, 6824652), (4, 5118489), (6, 3412326), (9, 2274884), (12, 1706163), (18, 1137442), (23, 890172), (36, 568721), (46, 445086), (69, 296724), (79, 259164), (92, 222543), (138, 148362), (158, 129582), (207, 98908), (237, 86388), (276, 74181), (313, 65412), (316, 64791), (414, 49454), (474, 43194), (626, 32706), (711, 28796), (828, 24727), (939, 21804), (948, 21597), (1252, 16353), (1422, 14398), (1817, 11268), (1878, 10902), (2817, 7268), (2844, 7199), (3634, 5634), (3756, 5451)]