20553670618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{31139}}^1$

素因数の和:31686

約数の個数: 32

約数和(自身を含む): 33900249600

約数和(自身を除く): 13346578982

約数列:

[1, 2, 13, 26, 53, 106, 479, 689, 958, 1378, 6227, 12454, 25387, 31139, 50774, 62278, 330031, 404807, 660062, 809614, 1650367, 3300734, 14915581, 21454771, 29831162, 42909542, 193902553, 387805106, 790525793, 1581051586, 10276835309, 20553670618]

約数ペア:

[(1, 20553670618), (2, 10276835309), (13, 1581051586), (26, 790525793), (53, 387805106), (106, 193902553), (479, 42909542), (689, 29831162), (958, 21454771), (1378, 14915581), (6227, 3300734), (12454, 1650367), (25387, 809614), (31139, 660062), (50774, 404807), (62278, 330031)]