20170450105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{24971}}^1$

素因数の和:25066

約数の個数: 48

約数和(自身を含む): 28335029184

約数和(自身を除く): 8164579079

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 289, 559, 731, 1105, 1445, 2795, 3655, 3757, 9503, 12427, 18785, 24971, 47515, 62135, 124855, 161551, 324623, 424507, 807755, 1073753, 1623115, 2122535, 5368765, 5518591, 7216619, 13958789, 18253801, 27592955, 36083095, 69793945, 91269005, 93816047, 237299413, 310314617, 469080235, 1186497065, 1551573085, 4034090021, 20170450105]

約数ペア:

[(1, 20170450105), (5, 4034090021), (13, 1551573085), (17, 1186497065), (43, 469080235), (65, 310314617), (85, 237299413), (215, 93816047), (221, 91269005), (289, 69793945), (559, 36083095), (731, 27592955), (1105, 18253801), (1445, 13958789), (2795, 7216619), (3655, 5518591), (3757, 5368765), (9503, 2122535), (12427, 1623115), (18785, 1073753), (24971, 807755), (47515, 424507), (62135, 324623), (124855, 161551)]