20131709728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1125431}}^1$

素因数の和:1125497

約数の個数: 48

約数和(自身を含む): 43675765056

約数和(自身を除く): 23544055328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 1125431, 2250862, 4501724, 9003448, 14630603, 18006896, 29261206, 36013792, 48393533, 58522412, 96787066, 117044824, 193574132, 234089648, 387148264, 468179296, 629115929, 774296528, 1258231858, 1548593056, 2516463716, 5032927432, 10065854864, 20131709728]

約数ペア:

[(1, 20131709728), (2, 10065854864), (4, 5032927432), (8, 2516463716), (13, 1548593056), (16, 1258231858), (26, 774296528), (32, 629115929), (43, 468179296), (52, 387148264), (86, 234089648), (104, 193574132), (172, 117044824), (208, 96787066), (344, 58522412), (416, 48393533), (559, 36013792), (688, 29261206), (1118, 18006896), (1376, 14630603), (2236, 9003448), (4472, 4501724), (8944, 2250862), (17888, 1125431)]