20155702778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1\times {\mathrm{10753}}^1$

素因数の和:11342

約数の個数: 32

約数和(自身を含む): 32194895040

約数和(自身を除く): 12039192262

約数列:

[1, 2, 19, 38, 107, 214, 461, 922, 2033, 4066, 8759, 10753, 17518, 21506, 49327, 98654, 204307, 408614, 937213, 1150571, 1874426, 2301142, 4957133, 9914266, 21860849, 43721698, 94185527, 188371054, 530413231, 1060826462, 10077851389, 20155702778]

約数ペア:

[(1, 20155702778), (2, 10077851389), (19, 1060826462), (38, 530413231), (107, 188371054), (214, 94185527), (461, 43721698), (922, 21860849), (2033, 9914266), (4066, 4957133), (8759, 2301142), (10753, 1874426), (17518, 1150571), (21506, 937213), (49327, 408614), (98654, 204307)]