20159968449

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{80953}}^1$

素因数の和:81249

約数の個数: 32

約数和(自身を含む): 30076030080

約数和(自身を除く): 9916061631

約数列:

[1, 3, 17, 19, 51, 57, 257, 323, 771, 969, 4369, 4883, 13107, 14649, 80953, 83011, 242859, 249033, 1376201, 1538107, 4128603, 4614321, 20804921, 26147819, 62414763, 78443457, 353683657, 395293499, 1061050971, 1185880497, 6719989483, 20159968449]

約数ペア:

[(1, 20159968449), (3, 6719989483), (17, 1185880497), (19, 1061050971), (51, 395293499), (57, 353683657), (257, 78443457), (323, 62414763), (771, 26147819), (969, 20804921), (4369, 4614321), (4883, 4128603), (13107, 1538107), (14649, 1376201), (80953, 249033), (83011, 242859)]