20197668890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{394717}}^1$

素因数の和:394791

約数の個数: 64

約数和(自身を含む): 45016798464

約数和(自身を除く): 24819129574

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 301, 430, 595, 602, 731, 1190, 1462, 1505, 3010, 3655, 5117, 7310, 10234, 25585, 51170, 394717, 789434, 1973585, 2763019, 3947170, 5526038, 6710189, 13420378, 13815095, 16972831, 27630190, 33550945, 33945662, 46971323, 67101890, 84864155, 93942646, 118809817, 169728310, 234856615, 237619634, 288538127, 469713230, 577076254, 594049085, 1188098170, 1442690635, 2019766889, 2885381270, 4039533778, 10098834445, 20197668890]

約数ペア:

[(1, 20197668890), (2, 10098834445), (5, 4039533778), (7, 2885381270), (10, 2019766889), (14, 1442690635), (17, 1188098170), (34, 594049085), (35, 577076254), (43, 469713230), (70, 288538127), (85, 237619634), (86, 234856615), (119, 169728310), (170, 118809817), (215, 93942646), (238, 84864155), (301, 67101890), (430, 46971323), (595, 33945662), (602, 33550945), (731, 27630190), (1190, 16972831), (1462, 13815095), (1505, 13420378), (3010, 6710189), (3655, 5526038), (5117, 3947170), (7310, 2763019), (10234, 1973585), (25585, 789434), (51170, 394717)]