20544047355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{64123}}^1$

素因数の和:64228

約数の個数: 64

約数和(自身を含む): 37230907392

約数和(自身を除く): 16686860037

約数列:

[1, 3, 5, 13, 15, 31, 39, 53, 65, 93, 155, 159, 195, 265, 403, 465, 689, 795, 1209, 1643, 2015, 2067, 3445, 4929, 6045, 8215, 10335, 21359, 24645, 64077, 64123, 106795, 192369, 320385, 320615, 833599, 961845, 1987813, 2500797, 3398519, 4167995, 5963439, 9939065, 10195557, 12503985, 16992595, 25841569, 29817195, 44180747, 50977785, 77524707, 105354089, 129207845, 132542241, 220903735, 316062267, 387623535, 526770445, 662711205, 1369603157, 1580311335, 4108809471, 6848015785, 20544047355]

約数ペア:

[(1, 20544047355), (3, 6848015785), (5, 4108809471), (13, 1580311335), (15, 1369603157), (31, 662711205), (39, 526770445), (53, 387623535), (65, 316062267), (93, 220903735), (155, 132542241), (159, 129207845), (195, 105354089), (265, 77524707), (403, 50977785), (465, 44180747), (689, 29817195), (795, 25841569), (1209, 16992595), (1643, 12503985), (2015, 10195557), (2067, 9939065), (3445, 5963439), (4929, 4167995), (6045, 3398519), (8215, 2500797), (10335, 1987813), (21359, 961845), (24645, 833599), (64077, 320615), (64123, 320385), (106795, 192369)]