20807521091

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{13883}}^1$

素因数の和:14159

約数の個数: 32

約数和(自身を含む): 25590988800

約数和(自身を除く): 4783467709

約数列:

[1, 7, 19, 59, 133, 191, 413, 1121, 1337, 3629, 7847, 11269, 13883, 25403, 78883, 97181, 214111, 263777, 819097, 1498777, 1846439, 2651653, 5733679, 15562843, 18561571, 50381407, 108939901, 156447527, 352669849, 1095132689, 2972503013, 20807521091]

約数ペア:

[(1, 20807521091), (7, 2972503013), (19, 1095132689), (59, 352669849), (133, 156447527), (191, 108939901), (413, 50381407), (1121, 18561571), (1337, 15562843), (3629, 5733679), (7847, 2651653), (11269, 1846439), (13883, 1498777), (25403, 819097), (78883, 263777), (97181, 214111)]