20796692

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 44470272

約数和(自身を除く): 23673580

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 751, 989, 1204, 1502, 1978, 3004, 3956, 5257, 6923, 10514, 13846, 17273, 21028, 27692, 32293, 34546, 64586, 69092, 120911, 129172, 226051, 241822, 452102, 483644, 742739, 904204, 1485478, 2970956, 5199173, 10398346, 20796692]

約数ペア:

[(1, 20796692), (2, 10398346), (4, 5199173), (7, 2970956), (14, 1485478), (23, 904204), (28, 742739), (43, 483644), (46, 452102), (86, 241822), (92, 226051), (161, 129172), (172, 120911), (301, 69092), (322, 64586), (602, 34546), (644, 32293), (751, 27692), (989, 21028), (1204, 17273), (1502, 13846), (1978, 10514), (3004, 6923), (3956, 5257)]