20734388612

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2460179}}^1$

素因数の和:2460240

約数の個数: 36

約数和(自身を含む): 43190920080

約数和(自身を除く): 22456531468

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 2460179, 4920358, 9840716, 17221253, 34442506, 68885012, 105787697, 120548771, 211575394, 241097542, 423150788, 482195084, 740513879, 1481027758, 2962055516, 5183597153, 10367194306, 20734388612]

約数ペア:

[(1, 20734388612), (2, 10367194306), (4, 5183597153), (7, 2962055516), (14, 1481027758), (28, 740513879), (43, 482195084), (49, 423150788), (86, 241097542), (98, 211575394), (172, 120548771), (196, 105787697), (301, 68885012), (602, 34442506), (1204, 17221253), (2107, 9840716), (4214, 4920358), (8428, 2460179)]