20163071456620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{285497}}^1\times {\mathrm{207719}}^1$

素因数の和:493242

約数の個数: 48

約数和(自身を含む): 44833555287360

約数和(自身を除く): 24670483830740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 207719, 285497, 415438, 570994, 830876, 1038595, 1141988, 1427485, 2077190, 2854970, 3531223, 4154380, 4853449, 5709940, 7062446, 9706898, 14124892, 17656115, 19413796, 24267245, 35312230, 48534490, 70624460, 97068980, 59303151343, 118606302686, 237212605372, 296515756715, 593031513430, 1008153572831, 1186063026860, 2016307145662, 4032614291324, 5040767864155, 10081535728310, 20163071456620]

約数ペア:

[(1, 20163071456620), (2, 10081535728310), (4, 5040767864155), (5, 4032614291324), (10, 2016307145662), (17, 1186063026860), (20, 1008153572831), (34, 593031513430), (68, 296515756715), (85, 237212605372), (170, 118606302686), (340, 59303151343), (207719, 97068980), (285497, 70624460), (415438, 48534490), (570994, 35312230), (830876, 24267245), (1038595, 19413796), (1141988, 17656115), (1427485, 14124892), (2077190, 9706898), (2854970, 7062446), (3531223, 5709940), (4154380, 4853449)]