20109635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 29984640

約数和(自身を除く): 9875005

約数列:

[1, 5, 7, 13, 35, 65, 91, 193, 229, 455, 965, 1145, 1351, 1603, 2509, 2977, 6755, 8015, 12545, 14885, 17563, 20839, 44197, 87815, 104195, 220985, 309379, 574561, 1546895, 2872805, 4021927, 20109635]

約数ペア:

[(1, 20109635), (5, 4021927), (7, 2872805), (13, 1546895), (35, 574561), (65, 309379), (91, 220985), (193, 104195), (229, 87815), (455, 44197), (965, 20839), (1145, 17563), (1351, 14885), (1603, 12545), (2509, 8015), (2977, 6755)]