20545266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6701}}^1$

素因数の和:6786

約数の個数: 32

約数和(自身を含む): 47611008

約数和(自身を除く): 27065742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6701, 13402, 20103, 40206, 46907, 93814, 140721, 281442, 489173, 978346, 1467519, 2935038, 3424211, 6848422, 10272633, 20545266]

約数ペア:

[(1, 20545266), (2, 10272633), (3, 6848422), (6, 3424211), (7, 2935038), (14, 1467519), (21, 978346), (42, 489173), (73, 281442), (146, 140721), (219, 93814), (438, 46907), (511, 40206), (1022, 20103), (1533, 13402), (3066, 6701)]