20406986912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49055257}}^1$

素因数の和:49055280

約数の個数: 24

約数和(自身を含む): 43266737556

約数和(自身を除く): 22859750644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49055257, 98110514, 196221028, 392442056, 637718341, 784884112, 1275436682, 1569768224, 2550873364, 5101746728, 10203493456, 20406986912]

約数ペア:

[(1, 20406986912), (2, 10203493456), (4, 5101746728), (8, 2550873364), (13, 1569768224), (16, 1275436682), (26, 784884112), (32, 637718341), (52, 392442056), (104, 196221028), (208, 98110514), (416, 49055257)]