20235933515

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{31489}}^1$

素因数の和:31612

約数の個数: 48

約数和(自身を含む): 29379414240

約数和(自身を除く): 9143480725

約数列:

[1, 5, 7, 35, 43, 49, 61, 215, 245, 301, 305, 427, 1505, 2107, 2135, 2623, 2989, 10535, 13115, 14945, 18361, 31489, 91805, 128527, 157445, 220423, 642635, 1102115, 1354027, 1542961, 1920829, 6770135, 7714805, 9478189, 9604145, 13445803, 47390945, 66347323, 67229015, 82595647, 94120621, 331736615, 412978235, 470603105, 578169529, 2890847645, 4047186703, 20235933515]

約数ペア:

[(1, 20235933515), (5, 4047186703), (7, 2890847645), (35, 578169529), (43, 470603105), (49, 412978235), (61, 331736615), (215, 94120621), (245, 82595647), (301, 67229015), (305, 66347323), (427, 47390945), (1505, 13445803), (2107, 9604145), (2135, 9478189), (2623, 7714805), (2989, 6770135), (10535, 1920829), (13115, 1542961), (14945, 1354027), (18361, 1102115), (31489, 642635), (91805, 220423), (128527, 157445)]