20386983057

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{24077}}^1$

素因数の和:24809

約数の個数: 32

約数和(自身を含む): 31624237824

約数和(自身を除く): 11237254767

約数列:

[1, 3, 7, 21, 61, 183, 427, 661, 1281, 1983, 4627, 13881, 24077, 40321, 72231, 120963, 168539, 282247, 505617, 846741, 1468697, 4406091, 10280879, 15914897, 30842637, 47744691, 111404279, 334212837, 970808717, 2912426151, 6795661019, 20386983057]

約数ペア:

[(1, 20386983057), (3, 6795661019), (7, 2912426151), (21, 970808717), (61, 334212837), (183, 111404279), (427, 47744691), (661, 30842637), (1281, 15914897), (1983, 10280879), (4627, 4406091), (13881, 1468697), (24077, 846741), (40321, 505617), (72231, 282247), (120963, 168539)]