20087964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42923}}^1$

素因数の和:42946

約数の個数: 36

約数和(自身を含む): 54685176

約数和(自身を除く): 34597212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42923, 85846, 128769, 171692, 257538, 386307, 515076, 557999, 772614, 1115998, 1545228, 1673997, 2231996, 3347994, 5021991, 6695988, 10043982, 20087964]

約数ペア:

[(1, 20087964), (2, 10043982), (3, 6695988), (4, 5021991), (6, 3347994), (9, 2231996), (12, 1673997), (13, 1545228), (18, 1115998), (26, 772614), (36, 557999), (39, 515076), (52, 386307), (78, 257538), (117, 171692), (156, 128769), (234, 85846), (468, 42923)]