20913888957

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1\times {\mathrm{5683}}^1$

素因数の和:6569

約数の個数: 32

約数和(自身を含む): 30312726528

約数和(自身を除く): 9398837571

約数列:

[1, 3, 13, 39, 127, 381, 743, 1651, 2229, 4953, 5683, 9659, 17049, 28977, 73879, 94361, 221637, 283083, 721741, 1226693, 2165223, 3680079, 4222469, 9382633, 12667407, 28147899, 54892097, 164676291, 536253563, 1608760689, 6971296319, 20913888957]

約数ペア:

[(1, 20913888957), (3, 6971296319), (13, 1608760689), (39, 536253563), (127, 164676291), (381, 54892097), (743, 28147899), (1651, 12667407), (2229, 9382633), (4953, 4222469), (5683, 3680079), (9659, 2165223), (17049, 1226693), (28977, 721741), (73879, 283083), (94361, 221637)]