20007955966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 32901422400

約数和(自身を除く): 12893466434

約数列:

[1, 2, 19, 38, 41, 82, 89, 178, 313, 461, 626, 779, 922, 1558, 1691, 3382, 3649, 5947, 7298, 8759, 11894, 12833, 17518, 18901, 25666, 27857, 37802, 41029, 55714, 69331, 82058, 138662, 144293, 243827, 288586, 359119, 487654, 529283, 718238, 779551, 1058566, 1142137, 1559102, 1682189, 2284274, 2741567, 3364378, 5483134, 5916013, 11832026, 12842077, 21700603, 25684154, 31961591, 43401206, 63923182, 112404247, 224808494, 243999463, 487998926, 526525157, 1053050314, 10003977983, 20007955966]

約数ペア:

[(1, 20007955966), (2, 10003977983), (19, 1053050314), (38, 526525157), (41, 487998926), (82, 243999463), (89, 224808494), (178, 112404247), (313, 63923182), (461, 43401206), (626, 31961591), (779, 25684154), (922, 21700603), (1558, 12842077), (1691, 11832026), (3382, 5916013), (3649, 5483134), (5947, 3364378), (7298, 2741567), (8759, 2284274), (11894, 1682189), (12833, 1559102), (17518, 1142137), (18901, 1058566), (25666, 779551), (27857, 718238), (37802, 529283), (41029, 487654), (55714, 359119), (69331, 288586), (82058, 243827), (138662, 144293)]