20115339985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{148997}}^1$

素因数の和:149113

約数の個数: 32

約数和(自身を含む): 27234450432

約数和(自身を除く): 7119110447

約数列:

[1, 5, 13, 31, 65, 67, 155, 335, 403, 871, 2015, 2077, 4355, 10385, 27001, 135005, 148997, 744985, 1936961, 4618907, 9684805, 9982799, 23094535, 49913995, 60045791, 129776387, 300228955, 309466769, 648881935, 1547333845, 4023067997, 20115339985]

約数ペア:

[(1, 20115339985), (5, 4023067997), (13, 1547333845), (31, 648881935), (65, 309466769), (67, 300228955), (155, 129776387), (335, 60045791), (403, 49913995), (871, 23094535), (2015, 9982799), (2077, 9684805), (4355, 4618907), (10385, 1936961), (27001, 744985), (135005, 148997)]