20803516

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 37416960

約数和(自身を除く): 16613444

約数列:

[1, 2, 4, 47, 94, 188, 239, 463, 478, 926, 956, 1852, 11233, 21761, 22466, 43522, 44932, 87044, 110657, 221314, 442628, 5200879, 10401758, 20803516]

約数ペア:

[(1, 20803516), (2, 10401758), (4, 5200879), (47, 442628), (94, 221314), (188, 110657), (239, 87044), (463, 44932), (478, 43522), (926, 22466), (956, 21761), (1852, 11233)]