20219819785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 27918950400

約数和(自身を除く): 7699130615

約数列:

[1, 5, 11, 29, 55, 67, 145, 319, 335, 431, 439, 737, 1595, 1943, 2155, 2195, 3685, 4741, 4829, 9715, 12499, 12731, 21373, 23705, 24145, 28877, 29413, 62495, 63655, 106865, 137489, 140041, 144385, 147065, 189209, 317647, 323543, 687445, 700205, 837433, 852977, 946045, 1588235, 1617715, 2081299, 4187165, 4264885, 5487061, 9211763, 9382747, 10406495, 12677003, 27435305, 46058815, 46913735, 60357671, 63385015, 139447033, 301788355, 367633087, 697235165, 1838165435, 4043963957, 20219819785]

約数ペア:

[(1, 20219819785), (5, 4043963957), (11, 1838165435), (29, 697235165), (55, 367633087), (67, 301788355), (145, 139447033), (319, 63385015), (335, 60357671), (431, 46913735), (439, 46058815), (737, 27435305), (1595, 12677003), (1943, 10406495), (2155, 9382747), (2195, 9211763), (3685, 5487061), (4741, 4264885), (4829, 4187165), (9715, 2081299), (12499, 1617715), (12731, 1588235), (21373, 946045), (23705, 852977), (24145, 837433), (28877, 700205), (29413, 687445), (62495, 323543), (63655, 317647), (106865, 189209), (137489, 147065), (140041, 144385)]