20455505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10233775

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1109, 2635, 3689, 5545, 7763, 18445, 18853, 34379, 38815, 94265, 131971, 171895, 240653, 584443, 659855, 1203265, 2922215, 4091101, 20455505]

約数ペア:

[(1, 20455505), (5, 4091101), (7, 2922215), (17, 1203265), (31, 659855), (35, 584443), (85, 240653), (119, 171895), (155, 131971), (217, 94265), (527, 38815), (595, 34379), (1085, 18853), (1109, 18445), (2635, 7763), (3689, 5545)]