20485078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 33550920

約数和(自身を除く): 13065842

約数列:

[1, 2, 19, 29, 38, 58, 551, 641, 841, 1102, 1282, 1682, 12179, 15979, 18589, 24358, 31958, 37178, 353191, 539081, 706382, 1078162, 10242539, 20485078]

約数ペア:

[(1, 20485078), (2, 10242539), (19, 1078162), (29, 706382), (38, 539081), (58, 353191), (551, 37178), (641, 31958), (841, 24358), (1102, 18589), (1282, 15979), (1682, 12179)]