20113751525

素因数分解:

$5^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{33037}}^1$

素因数の和:33139

約数の個数: 48

約数和(自身を含む): 29496326400

約数和(自身を除く): 9382574875

約数列:

[1, 5, 7, 25, 35, 49, 71, 175, 245, 343, 355, 497, 1225, 1715, 1775, 2485, 3479, 8575, 12425, 17395, 24353, 33037, 86975, 121765, 165185, 231259, 608825, 825925, 1156295, 1618813, 2345627, 5781475, 8094065, 11331691, 11728135, 16419389, 40470325, 56658455, 58640675, 82096945, 114935723, 283292275, 410484725, 574678615, 804550061, 2873393075, 4022750305, 20113751525]

約数ペア:

[(1, 20113751525), (5, 4022750305), (7, 2873393075), (25, 804550061), (35, 574678615), (49, 410484725), (71, 283292275), (175, 114935723), (245, 82096945), (343, 58640675), (355, 56658455), (497, 40470325), (1225, 16419389), (1715, 11728135), (1775, 11331691), (2485, 8094065), (3479, 5781475), (8575, 2345627), (12425, 1618813), (17395, 1156295), (24353, 825925), (33037, 608825), (86975, 231259), (121765, 165185)]