20404467070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3650173}}^1$

素因数の和:3650236

約数の個数: 32

約数和(自身を含む): 40473129312

約数和(自身を除く): 20068662242

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 3650173, 7300346, 18250865, 36501730, 47452249, 94904498, 156957439, 237261245, 313914878, 474522490, 784787195, 1569574390, 2040446707, 4080893414, 10202233535, 20404467070]

約数ペア:

[(1, 20404467070), (2, 10202233535), (5, 4080893414), (10, 2040446707), (13, 1569574390), (26, 784787195), (43, 474522490), (65, 313914878), (86, 237261245), (130, 156957439), (215, 94904498), (430, 47452249), (559, 36501730), (1118, 18250865), (2795, 7300346), (5590, 3650173)]