20664514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 35784000

約数和(自身を除く): 15119486

約数列:

[1, 2, 13, 19, 26, 38, 59, 118, 247, 494, 709, 767, 1121, 1418, 1534, 2242, 9217, 13471, 14573, 18434, 26942, 29146, 41831, 83662, 175123, 350246, 543803, 794789, 1087606, 1589578, 10332257, 20664514]

約数ペア:

[(1, 20664514), (2, 10332257), (13, 1589578), (19, 1087606), (26, 794789), (38, 543803), (59, 350246), (118, 175123), (247, 83662), (494, 41831), (709, 29146), (767, 26942), (1121, 18434), (1418, 14573), (1534, 13471), (2242, 9217)]