20163211768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{321193}}^1$

素因数の和:321284

約数の個数: 64

約数和(自身を含む): 46251936000

約数和(自身を除く): 26088724232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 152, 236, 266, 413, 472, 532, 826, 1064, 1121, 1652, 2242, 3304, 4484, 7847, 8968, 15694, 31388, 62776, 321193, 642386, 1284772, 2248351, 2569544, 4496702, 6102667, 8993404, 12205334, 17986808, 18950387, 24410668, 37900774, 42718669, 48821336, 75801548, 85437338, 132652709, 151603096, 170874676, 265305418, 341749352, 360057353, 530610836, 720114706, 1061221672, 1440229412, 2520401471, 2880458824, 5040802942, 10081605884, 20163211768]

約数ペア:

[(1, 20163211768), (2, 10081605884), (4, 5040802942), (7, 2880458824), (8, 2520401471), (14, 1440229412), (19, 1061221672), (28, 720114706), (38, 530610836), (56, 360057353), (59, 341749352), (76, 265305418), (118, 170874676), (133, 151603096), (152, 132652709), (236, 85437338), (266, 75801548), (413, 48821336), (472, 42718669), (532, 37900774), (826, 24410668), (1064, 18950387), (1121, 17986808), (1652, 12205334), (2242, 8993404), (3304, 6102667), (4484, 4496702), (7847, 2569544), (8968, 2248351), (15694, 1284772), (31388, 642386), (62776, 321193)]