20898884756

素因数分解:

$2^2\times {\mathrm{223}}^1\times {\mathrm{1303}}^1\times {\mathrm{17981}}^1$

素因数の和:19511

約数の個数: 24

約数和(自身を含む): 36767291904

約数和(自身を除く): 15868407148

約数列:

[1, 2, 4, 223, 446, 892, 1303, 2606, 5212, 17981, 35962, 71924, 290569, 581138, 1162276, 4009763, 8019526, 16039052, 23429243, 46858486, 93716972, 5224721189, 10449442378, 20898884756]

約数ペア:

[(1, 20898884756), (2, 10449442378), (4, 5224721189), (223, 93716972), (446, 46858486), (892, 23429243), (1303, 16039052), (2606, 8019526), (5212, 4009763), (17981, 1162276), (35962, 581138), (71924, 290569)]