20996987204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{777551}}^1$

素因数の和:777755

約数の個数: 24

約数和(自身を含む): 37838790528

約数和(自身を除く): 16841803324

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 6751, 13502, 27004, 777551, 1555102, 3110204, 33434693, 66869386, 122075507, 133738772, 244151014, 488302028, 5249246801, 10498493602, 20996987204]

約数ペア:

[(1, 20996987204), (2, 10498493602), (4, 5249246801), (43, 488302028), (86, 244151014), (157, 133738772), (172, 122075507), (314, 66869386), (628, 33434693), (6751, 3110204), (13502, 1555102), (27004, 777551)]