20008313648

素因数分解:

$2^4\times {\mathrm{2243}}^1\times {\mathrm{557521}}^1$

素因数の和:559772

約数の個数: 20

約数和(自身を含む): 38783460408

約数和(自身を除く): 18775146760

約数列:

[1, 2, 4, 8, 16, 2243, 4486, 8972, 17944, 35888, 557521, 1115042, 2230084, 4460168, 8920336, 1250519603, 2501039206, 5002078412, 10004156824, 20008313648]

約数ペア:

[(1, 20008313648), (2, 10004156824), (4, 5002078412), (8, 2501039206), (16, 1250519603), (2243, 8920336), (4486, 4460168), (8972, 2230084), (17944, 1115042), (35888, 557521)]