20194648515

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^2$

素因数の和:2549

約数の個数: 48

約数和(自身を含む): 36286875360

約数和(自身を除く): 16092226845

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1217, 1515, 2727, 3651, 4545, 6085, 10953, 13635, 18255, 32859, 54765, 122917, 164295, 368751, 614585, 1106253, 1481089, 1843755, 3318759, 4443267, 5531265, 7405445, 13329801, 16593795, 22216335, 39989403, 66649005, 149589989, 199947015, 448769967, 747949945, 1346309901, 2243849835, 4038929703, 6731549505, 20194648515]

約数ペア:

[(1, 20194648515), (3, 6731549505), (5, 4038929703), (9, 2243849835), (15, 1346309901), (27, 747949945), (45, 448769967), (101, 199947015), (135, 149589989), (303, 66649005), (505, 39989403), (909, 22216335), (1217, 16593795), (1515, 13329801), (2727, 7405445), (3651, 5531265), (4545, 4443267), (6085, 3318759), (10953, 1843755), (13635, 1481089), (18255, 1106253), (32859, 614585), (54765, 368751), (122917, 164295)]