20009470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8101}}^1$

素因数の和:8140

約数の個数: 32

約数和(自身を含む): 40834080

約数和(自身を除く): 20824610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8101, 16202, 40505, 81010, 105313, 153919, 210626, 307838, 526565, 769595, 1053130, 1539190, 2000947, 4001894, 10004735, 20009470]

約数ペア:

[(1, 20009470), (2, 10004735), (5, 4001894), (10, 2000947), (13, 1539190), (19, 1053130), (26, 769595), (38, 526565), (65, 307838), (95, 210626), (130, 153919), (190, 105313), (247, 81010), (494, 40505), (1235, 16202), (2470, 8101)]