20120809020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25795909}}^1$

素因数の和:25795934

約数の個数: 48

約数和(自身を含む): 60671980320

約数和(自身を除く): 40551171300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25795909, 51591818, 77387727, 103183636, 128979545, 154775454, 257959090, 309550908, 335346817, 386938635, 515918180, 670693634, 773877270, 1006040451, 1341387268, 1547754540, 1676734085, 2012080902, 3353468170, 4024161804, 5030202255, 6706936340, 10060404510, 20120809020]

約数ペア:

[(1, 20120809020), (2, 10060404510), (3, 6706936340), (4, 5030202255), (5, 4024161804), (6, 3353468170), (10, 2012080902), (12, 1676734085), (13, 1547754540), (15, 1341387268), (20, 1006040451), (26, 773877270), (30, 670693634), (39, 515918180), (52, 386938635), (60, 335346817), (65, 309550908), (78, 257959090), (130, 154775454), (156, 128979545), (195, 103183636), (260, 77387727), (390, 51591818), (780, 25795909)]