20899916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{619}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 17430964

約数列:

[1, 2, 4, 23, 46, 92, 367, 619, 734, 1238, 1468, 2476, 8441, 14237, 16882, 28474, 33764, 56948, 227173, 454346, 908692, 5224979, 10449958, 20899916]

約数ペア:

[(1, 20899916), (2, 10449958), (4, 5224979), (23, 908692), (46, 454346), (92, 227173), (367, 56948), (619, 33764), (734, 28474), (1238, 16882), (1468, 14237), (2476, 8441)]