20157802012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1100557}}^1$

素因数の和:1100821

約数の個数: 24

約数和(自身を含む): 37286905040

約数和(自身を除く): 17129103028

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 4579, 9158, 18316, 1100557, 2201114, 4402228, 20910583, 41821166, 83642332, 265234237, 530468474, 1060936948, 5039450503, 10078901006, 20157802012]

約数ペア:

[(1, 20157802012), (2, 10078901006), (4, 5039450503), (19, 1060936948), (38, 530468474), (76, 265234237), (241, 83642332), (482, 41821166), (964, 20910583), (4579, 4402228), (9158, 2201114), (18316, 1100557)]