20175352911

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1\times {\mathrm{1489}}^1$

素因数の和:2570

約数の個数: 80

約数和(自身を含む): 36000307200

約数和(自身を除く): 15824954289

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1039, 1449, 1489, 1863, 3117, 4347, 4467, 7273, 9351, 10423, 13041, 13401, 21819, 23897, 28053, 31269, 34247, 40203, 65457, 71691, 84159, 93807, 102741, 120609, 167279, 196371, 215073, 239729, 281421, 308223, 501837, 589113, 645219, 719187, 844263, 924669, 1505511, 1547071, 1935657, 2157561, 2774007, 4516533, 4641213, 6472683, 10829497, 13549599, 13923639, 19418049, 32488491, 35582633, 41770917, 97465473, 106747899, 125312751, 249078431, 292396419, 320243697, 747235293, 877189257, 960731091, 2241705879, 2882193273, 6725117637, 20175352911]

約数ペア:

[(1, 20175352911), (3, 6725117637), (7, 2882193273), (9, 2241705879), (21, 960731091), (23, 877189257), (27, 747235293), (63, 320243697), (69, 292396419), (81, 249078431), (161, 125312751), (189, 106747899), (207, 97465473), (483, 41770917), (567, 35582633), (621, 32488491), (1039, 19418049), (1449, 13923639), (1489, 13549599), (1863, 10829497), (3117, 6472683), (4347, 4641213), (4467, 4516533), (7273, 2774007), (9351, 2157561), (10423, 1935657), (13041, 1547071), (13401, 1505511), (21819, 924669), (23897, 844263), (28053, 719187), (31269, 645219), (34247, 589113), (40203, 501837), (65457, 308223), (71691, 281421), (84159, 239729), (93807, 215073), (102741, 196371), (120609, 167279)]