20193725876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{406247}}^1$

素因数の和:406328

約数の個数: 36

約数和(自身を含む): 38413185888

約数和(自身を除く): 18219460012

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 578, 731, 1156, 1462, 2924, 12427, 24854, 49708, 406247, 812494, 1624988, 6906199, 13812398, 17468621, 27624796, 34937242, 69874484, 117405383, 234810766, 296966557, 469621532, 593933114, 1187866228, 5048431469, 10096862938, 20193725876]

約数ペア:

[(1, 20193725876), (2, 10096862938), (4, 5048431469), (17, 1187866228), (34, 593933114), (43, 469621532), (68, 296966557), (86, 234810766), (172, 117405383), (289, 69874484), (578, 34937242), (731, 27624796), (1156, 17468621), (1462, 13812398), (2924, 6906199), (12427, 1624988), (24854, 812494), (49708, 406247)]