20199062013

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1759

約数の個数: 64

約数和(自身を含む): 31034438400

約数和(自身を除く): 10835376387

約数列:

[1, 3, 13, 19, 39, 57, 101, 169, 247, 303, 507, 741, 1313, 1597, 1919, 2197, 3211, 3939, 4791, 5757, 6591, 9633, 17069, 20761, 24947, 30343, 41743, 51207, 62283, 74841, 91029, 125229, 161297, 221897, 269893, 324311, 394459, 483891, 665691, 809679, 972933, 1183377, 2096861, 3064643, 3508609, 4216043, 5127967, 6290583, 9193929, 10525827, 12648129, 15383901, 27259193, 39840359, 66663571, 81777579, 119521077, 199990713, 354369509, 517924667, 1063108527, 1553774001, 6733020671, 20199062013]

約数ペア:

[(1, 20199062013), (3, 6733020671), (13, 1553774001), (19, 1063108527), (39, 517924667), (57, 354369509), (101, 199990713), (169, 119521077), (247, 81777579), (303, 66663571), (507, 39840359), (741, 27259193), (1313, 15383901), (1597, 12648129), (1919, 10525827), (2197, 9193929), (3211, 6290583), (3939, 5127967), (4791, 4216043), (5757, 3508609), (6591, 3064643), (9633, 2096861), (17069, 1183377), (20761, 972933), (24947, 809679), (30343, 665691), (41743, 483891), (51207, 394459), (62283, 324311), (74841, 269893), (91029, 221897), (125229, 161297)]