20169894965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{19709}}^1$

素因数の和:20557

約数の個数: 32

約数和(自身を含む): 27587692800

約数和(自身を除く): 7417797835

約数列:

[1, 5, 11, 23, 55, 115, 253, 809, 1265, 4045, 8899, 18607, 19709, 44495, 93035, 98545, 204677, 216799, 453307, 1023385, 1083995, 2266535, 4986377, 15944581, 24931885, 79722905, 175390391, 366725363, 876951955, 1833626815, 4033978993, 20169894965]

約数ペア:

[(1, 20169894965), (5, 4033978993), (11, 1833626815), (23, 876951955), (55, 366725363), (115, 175390391), (253, 79722905), (809, 24931885), (1265, 15944581), (4045, 4986377), (8899, 2266535), (18607, 1083995), (19709, 1023385), (44495, 453307), (93035, 216799), (98545, 204677)]