20341457172

素因数分解:

$2^2\times 3^2\times {\mathrm{1447}}^1\times {\mathrm{390491}}^1$

素因数の和:391948

約数の個数: 36

約数和(自身を含む): 51454349856

約数和(自身を除く): 31112892684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1447, 2894, 4341, 5788, 8682, 13023, 17364, 26046, 52092, 390491, 780982, 1171473, 1561964, 2342946, 3514419, 4685892, 7028838, 14057676, 565040477, 1130080954, 1695121431, 2260161908, 3390242862, 5085364293, 6780485724, 10170728586, 20341457172]

約数ペア:

[(1, 20341457172), (2, 10170728586), (3, 6780485724), (4, 5085364293), (6, 3390242862), (9, 2260161908), (12, 1695121431), (18, 1130080954), (36, 565040477), (1447, 14057676), (2894, 7028838), (4341, 4685892), (5788, 3514419), (8682, 2342946), (13023, 1561964), (17364, 1171473), (26046, 780982), (52092, 390491)]