20405720150

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{132893}}^1$

素因数の和:133025

約数の個数: 48

約数和(自身を含む): 39450381264

約数和(自身を除く): 19044661114

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 166, 185, 370, 415, 830, 925, 1850, 2075, 3071, 4150, 6142, 15355, 30710, 76775, 132893, 153550, 265786, 664465, 1328930, 3322325, 4917041, 6644650, 9834082, 11030119, 22060238, 24585205, 49170410, 55150595, 110301190, 122926025, 245852050, 275752975, 408114403, 551505950, 816228806, 2040572015, 4081144030, 10202860075, 20405720150]

約数ペア:

[(1, 20405720150), (2, 10202860075), (5, 4081144030), (10, 2040572015), (25, 816228806), (37, 551505950), (50, 408114403), (74, 275752975), (83, 245852050), (166, 122926025), (185, 110301190), (370, 55150595), (415, 49170410), (830, 24585205), (925, 22060238), (1850, 11030119), (2075, 9834082), (3071, 6644650), (4150, 4917041), (6142, 3322325), (15355, 1328930), (30710, 664465), (76775, 265786), (132893, 153550)]