20507752

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6089}}^1$

素因数の和:6516

約数の個数: 16

約数和(自身を含む): 38549700

約数和(自身を除く): 18041948

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6089, 12178, 24356, 48712, 2563469, 5126938, 10253876, 20507752]

約数ペア:

[(1, 20507752), (2, 10253876), (4, 5126938), (8, 2563469), (421, 48712), (842, 24356), (1684, 12178), (3368, 6089)]