20814494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 14540386

約数列:

[1, 2, 17, 23, 34, 43, 46, 86, 391, 619, 731, 782, 989, 1238, 1462, 1978, 10523, 14237, 16813, 21046, 26617, 28474, 33626, 53234, 242029, 452489, 484058, 612191, 904978, 1224382, 10407247, 20814494]

約数ペア:

[(1, 20814494), (2, 10407247), (17, 1224382), (23, 904978), (34, 612191), (43, 484058), (46, 452489), (86, 242029), (391, 53234), (619, 33626), (731, 28474), (782, 26617), (989, 21046), (1238, 16813), (1462, 14237), (1978, 10523)]