20348768224

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{106391}}^1$

素因数の和:106583

約数の個数: 48

約数和(自身を含む): 41288607360

約数和(自身を除く): 20939839136

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 1376, 2224, 4448, 5977, 11954, 23908, 47816, 95632, 106391, 191264, 212782, 425564, 851128, 1702256, 3404512, 4574813, 9149626, 14788349, 18299252, 29576698, 36598504, 59153396, 73197008, 118306792, 146394016, 236613584, 473227168, 635899007, 1271798014, 2543596028, 5087192056, 10174384112, 20348768224]

約数ペア:

[(1, 20348768224), (2, 10174384112), (4, 5087192056), (8, 2543596028), (16, 1271798014), (32, 635899007), (43, 473227168), (86, 236613584), (139, 146394016), (172, 118306792), (278, 73197008), (344, 59153396), (556, 36598504), (688, 29576698), (1112, 18299252), (1376, 14788349), (2224, 9149626), (4448, 4574813), (5977, 3404512), (11954, 1702256), (23908, 851128), (47816, 425564), (95632, 212782), (106391, 191264)]