20199451174

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3427121}}^1$

素因数の和:3427551

約数の個数: 16

約数和(自身を含む): 34709891616

約数和(自身を除く): 14510440442

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 3427121, 6854242, 23989847, 47979694, 1442817941, 2885635882, 10099725587, 20199451174]

約数ペア:

[(1, 20199451174), (2, 10099725587), (7, 2885635882), (14, 1442817941), (421, 47979694), (842, 23989847), (2947, 6854242), (5894, 3427121)]