20784474

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{1373}}^1$

素因数の和:1439

約数の個数: 36

約数和(自身を含む): 46673406

約数和(自身を除く): 25888932

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 841, 1373, 1682, 2523, 2746, 4119, 5046, 7569, 8238, 12357, 15138, 24714, 39817, 79634, 119451, 238902, 358353, 716706, 1154693, 2309386, 3464079, 6928158, 10392237, 20784474]

約数ペア:

[(1, 20784474), (2, 10392237), (3, 6928158), (6, 3464079), (9, 2309386), (18, 1154693), (29, 716706), (58, 358353), (87, 238902), (174, 119451), (261, 79634), (522, 39817), (841, 24714), (1373, 15138), (1682, 12357), (2523, 8238), (2746, 7569), (4119, 5046)]