20576746215

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1\times {\mathrm{13877}}^1$

素因数の和:14368

約数の個数: 48

約数和(自身を含む): 36189605088

約数和(自身を除く): 15612858873

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 397, 415, 747, 1191, 1245, 1985, 3573, 3735, 5955, 13877, 17865, 32951, 41631, 69385, 98853, 124893, 164755, 208155, 296559, 494265, 624465, 1151791, 1482795, 3455373, 5509169, 5758955, 10366119, 16527507, 17276865, 27545845, 49582521, 51830595, 82637535, 247912605, 457261027, 1371783081, 2286305135, 4115349243, 6858915405, 20576746215]

約数ペア:

[(1, 20576746215), (3, 6858915405), (5, 4115349243), (9, 2286305135), (15, 1371783081), (45, 457261027), (83, 247912605), (249, 82637535), (397, 51830595), (415, 49582521), (747, 27545845), (1191, 17276865), (1245, 16527507), (1985, 10366119), (3573, 5758955), (3735, 5509169), (5955, 3455373), (13877, 1482795), (17865, 1151791), (32951, 624465), (41631, 494265), (69385, 296559), (98853, 208155), (124893, 164755)]