20072181915

素因数分解:

$3^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{81649}}^1$

素因数の和:82273

約数の個数: 40

約数和(自身を含む): 36040963200

約数和(自身を除く): 15968781285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 607, 1821, 3035, 5463, 9105, 16389, 27315, 49167, 81649, 81945, 244947, 245835, 408245, 734841, 1224735, 2204523, 3674205, 6613569, 11022615, 33067845, 49560943, 148682829, 247804715, 446048487, 743414145, 1338145461, 2230242435, 4014436383, 6690727305, 20072181915]

約数ペア:

[(1, 20072181915), (3, 6690727305), (5, 4014436383), (9, 2230242435), (15, 1338145461), (27, 743414145), (45, 446048487), (81, 247804715), (135, 148682829), (405, 49560943), (607, 33067845), (1821, 11022615), (3035, 6613569), (5463, 3674205), (9105, 2204523), (16389, 1224735), (27315, 734841), (49167, 408245), (81649, 245835), (81945, 244947)]