20219268530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28477843}}^1$

素因数の和:28477921

約数の個数: 16

約数和(自身を含む): 36907285824

約数和(自身を除く): 16688017294

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28477843, 56955686, 142389215, 284778430, 2021926853, 4043853706, 10109634265, 20219268530]

約数ペア:

[(1, 20219268530), (2, 10109634265), (5, 4043853706), (10, 2021926853), (71, 284778430), (142, 142389215), (355, 56955686), (710, 28477843)]