20769121569385

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3061}}^1\times {\mathrm{644051}}^1$

素因数の和:647174

約数の個数: 48

約数和(自身を含む): 29675968546752

約数和(自身を除く): 8906846977367

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 3061, 10535, 15305, 21427, 107135, 131623, 149989, 644051, 658115, 749945, 921361, 3220255, 4508357, 4606805, 6449527, 22541785, 27694193, 31558499, 32247635, 138470965, 157792495, 193859351, 969296755, 1357015457, 1971440111, 6785077285, 9857200555, 13800080777, 69000403885, 84771924773, 96600565439, 423859623865, 483002827195, 593403473411, 2967017367055, 4153824313877, 20769121569385]

約数ペア:

[(1, 20769121569385), (5, 4153824313877), (7, 2967017367055), (35, 593403473411), (43, 483002827195), (49, 423859623865), (215, 96600565439), (245, 84771924773), (301, 69000403885), (1505, 13800080777), (2107, 9857200555), (3061, 6785077285), (10535, 1971440111), (15305, 1357015457), (21427, 969296755), (107135, 193859351), (131623, 157792495), (149989, 138470965), (644051, 32247635), (658115, 31558499), (749945, 27694193), (921361, 22541785), (3220255, 6449527), (4508357, 4606805)]