20847558

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21730362

約数列:

[1, 2, 3, 6, 109, 127, 218, 251, 254, 327, 381, 502, 654, 753, 762, 1506, 13843, 27359, 27686, 31877, 41529, 54718, 63754, 82077, 83058, 95631, 164154, 191262, 3474593, 6949186, 10423779, 20847558]

約数ペア:

[(1, 20847558), (2, 10423779), (3, 6949186), (6, 3474593), (109, 191262), (127, 164154), (218, 95631), (251, 83058), (254, 82077), (327, 63754), (381, 54718), (502, 41529), (654, 31877), (753, 27686), (762, 27359), (1506, 13843)]