20778815515

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{228301}}^1$

素因数の和:228582

約数の個数: 16

約数和(自身を含む): 25314125760

約数和(自身を除く): 4535310245

約数列:

[1, 5, 109, 167, 545, 835, 18203, 91015, 228301, 1141505, 24884809, 38126267, 124424045, 190631335, 4155763103, 20778815515]

約数ペア:

[(1, 20778815515), (5, 4155763103), (109, 190631335), (167, 124424045), (545, 38126267), (835, 24884809), (18203, 1141505), (91015, 228301)]