20218563885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4508041}}^1$

素因数の和:4508085

約数の個数: 32

約数和(自身を含む): 36352850688

約数和(自身を除く): 16134286803

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4508041, 13524123, 22540205, 58604533, 67620615, 103684943, 175813599, 293022665, 311054829, 518424715, 879067995, 1347904259, 1555274145, 4043712777, 6739521295, 20218563885]

約数ペア:

[(1, 20218563885), (3, 6739521295), (5, 4043712777), (13, 1555274145), (15, 1347904259), (23, 879067995), (39, 518424715), (65, 311054829), (69, 293022665), (115, 175813599), (195, 103684943), (299, 67620615), (345, 58604533), (897, 22540205), (1495, 13524123), (4485, 4508041)]