20219939472

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1\times {\mathrm{10477}}^1$

素因数の和:11816

約数の個数: 80

約数和(自身を含む): 53966561792

約数和(自身を除く): 33746622320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1297, 1488, 2594, 3891, 5188, 7782, 10376, 10477, 15564, 20752, 20954, 31128, 31431, 40207, 41908, 62256, 62862, 80414, 83816, 120621, 125724, 160828, 167632, 241242, 251448, 321656, 324787, 482484, 502896, 643312, 649574, 964968, 974361, 1299148, 1929936, 1948722, 2598296, 3897444, 5196592, 7794888, 13588669, 15589776, 27177338, 40766007, 54354676, 81532014, 108709352, 163064028, 217418704, 326128056, 421248739, 652256112, 842497478, 1263746217, 1684994956, 2527492434, 3369989912, 5054984868, 6739979824, 10109969736, 20219939472]

約数ペア:

[(1, 20219939472), (2, 10109969736), (3, 6739979824), (4, 5054984868), (6, 3369989912), (8, 2527492434), (12, 1684994956), (16, 1263746217), (24, 842497478), (31, 652256112), (48, 421248739), (62, 326128056), (93, 217418704), (124, 163064028), (186, 108709352), (248, 81532014), (372, 54354676), (496, 40766007), (744, 27177338), (1297, 15589776), (1488, 13588669), (2594, 7794888), (3891, 5196592), (5188, 3897444), (7782, 2598296), (10376, 1948722), (10477, 1929936), (15564, 1299148), (20752, 974361), (20954, 964968), (31128, 649574), (31431, 643312), (40207, 502896), (41908, 482484), (62256, 324787), (62862, 321656), (80414, 251448), (83816, 241242), (120621, 167632), (125724, 160828)]