20163514455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1669}}^1\times {\mathrm{5479}}^1$

素因数の和:7173

約数の個数: 72

約数和(自身を含む): 40688013600

約数和(自身を除く): 20524499145

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1669, 2205, 5007, 5479, 8345, 11683, 15021, 16437, 25035, 27395, 35049, 38353, 49311, 58415, 75105, 81781, 82185, 105147, 115059, 175245, 191765, 245343, 246555, 268471, 345177, 408905, 525735, 575295, 736029, 805413, 1226715, 1342355, 1725885, 2416239, 3680145, 4027065, 9144451, 12081195, 27433353, 45722255, 64011157, 82300059, 137166765, 192033471, 320055785, 411500295, 448078099, 576100413, 960167355, 1344234297, 2240390495, 2880502065, 4032702891, 6721171485, 20163514455]

約数ペア:

[(1, 20163514455), (3, 6721171485), (5, 4032702891), (7, 2880502065), (9, 2240390495), (15, 1344234297), (21, 960167355), (35, 576100413), (45, 448078099), (49, 411500295), (63, 320055785), (105, 192033471), (147, 137166765), (245, 82300059), (315, 64011157), (441, 45722255), (735, 27433353), (1669, 12081195), (2205, 9144451), (5007, 4027065), (5479, 3680145), (8345, 2416239), (11683, 1725885), (15021, 1342355), (16437, 1226715), (25035, 805413), (27395, 736029), (35049, 575295), (38353, 525735), (49311, 408905), (58415, 345177), (75105, 268471), (81781, 246555), (82185, 245343), (105147, 191765), (115059, 175245)]