20197054

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 32647608

約数和(自身を除く): 12450554

約数列:

[1, 2, 17, 34, 83, 166, 289, 421, 578, 842, 1411, 2822, 7157, 14314, 23987, 34943, 47974, 69886, 121669, 243338, 594031, 1188062, 10098527, 20197054]

約数ペア:

[(1, 20197054), (2, 10098527), (17, 1188062), (34, 594031), (83, 243338), (166, 121669), (289, 69886), (421, 47974), (578, 34943), (842, 23987), (1411, 14314), (2822, 7157)]