20313345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 35505792

約数和(自身を除く): 15192447

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 1427, 2847, 4281, 4745, 7135, 14235, 18551, 21405, 55653, 92755, 104171, 278265, 312513, 520855, 1354223, 1562565, 4062669, 6771115, 20313345]

約数ペア:

[(1, 20313345), (3, 6771115), (5, 4062669), (13, 1562565), (15, 1354223), (39, 520855), (65, 312513), (73, 278265), (195, 104171), (219, 92755), (365, 55653), (949, 21405), (1095, 18551), (1427, 14235), (2847, 7135), (4281, 4745)]