20529340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3433}}^1$

素因数の和:3478

約数の個数: 48

約数和(自身を含む): 48460608

約数和(自身を除く): 27931268

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3433, 5980, 6866, 13732, 17165, 34330, 44629, 68660, 78959, 89258, 157918, 178516, 223145, 315836, 394795, 446290, 789590, 892580, 1026467, 1579180, 2052934, 4105868, 5132335, 10264670, 20529340]

約数ペア:

[(1, 20529340), (2, 10264670), (4, 5132335), (5, 4105868), (10, 2052934), (13, 1579180), (20, 1026467), (23, 892580), (26, 789590), (46, 446290), (52, 394795), (65, 315836), (92, 223145), (115, 178516), (130, 157918), (230, 89258), (260, 78959), (299, 68660), (460, 44629), (598, 34330), (1196, 17165), (1495, 13732), (2990, 6866), (3433, 5980)]