20120726028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128979013}}^1$

素因数の和:128979033

約数の個数: 24

約数和(自身を含む): 50559773488

約数和(自身を除く): 30439047460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128979013, 257958026, 386937039, 515916052, 773874078, 1547748156, 1676727169, 3353454338, 5030181507, 6706908676, 10060363014, 20120726028]

約数ペア:

[(1, 20120726028), (2, 10060363014), (3, 6706908676), (4, 5030181507), (6, 3353454338), (12, 1676727169), (13, 1547748156), (26, 773874078), (39, 515916052), (52, 386937039), (78, 257958026), (156, 128979013)]