20199260519

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{367}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 21544427520

約数和(自身を除く): 1345167001

約数列:

[1, 31, 53, 139, 241, 367, 1643, 4309, 7367, 7471, 11377, 12773, 19451, 33499, 51013, 88447, 228377, 395963, 602981, 1038469, 1581403, 1775447, 2703689, 2741857, 4687691, 12294133, 55038857, 83814359, 145318421, 381118123, 651589049, 20199260519]

約数ペア:

[(1, 20199260519), (31, 651589049), (53, 381118123), (139, 145318421), (241, 83814359), (367, 55038857), (1643, 12294133), (4309, 4687691), (7367, 2741857), (7471, 2703689), (11377, 1775447), (12773, 1581403), (19451, 1038469), (33499, 602981), (51013, 395963), (88447, 228377)]