2021699056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9719707}}^1$

素因数の和:9719728

約数の個数: 20

約数和(自身を含む): 4218353272

約数和(自身を除く): 2196654216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9719707, 19439414, 38878828, 77757656, 126356191, 155515312, 252712382, 505424764, 1010849528, 2021699056]

約数ペア:

[(1, 2021699056), (2, 1010849528), (4, 505424764), (8, 252712382), (13, 155515312), (16, 126356191), (26, 77757656), (52, 38878828), (104, 19439414), (208, 9719707)]