20138051385

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1344

約数の個数: 128

約数和(自身を含む): 38320128000

約数和(自身を除く): 18182076615

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 87, 109, 123, 135, 145, 205, 261, 327, 369, 435, 545, 615, 783, 981, 1107, 1151, 1189, 1305, 1635, 1845, 2943, 3161, 3453, 3567, 3915, 4469, 4905, 5535, 5755, 5945, 9483, 10359, 10701, 13407, 14715, 15805, 17265, 17835, 22345, 28449, 31077, 32103, 33379, 40221, 47191, 47415, 51795, 53505, 67035, 85347, 100137, 120663, 125459, 129601, 141573, 142245, 155385, 160515, 166895, 201105, 235955, 300411, 376377, 388803, 424719, 426735, 500685, 603315, 627295, 648005, 707865, 901233, 1129131, 1166409, 1274157, 1368539, 1502055, 1881885, 1944015, 2123595, 3387393, 3499227, 3638311, 4105617, 4506165, 5143819, 5645655, 5832045, 6370785, 6842695, 10914933, 12316851, 15431457, 16936965, 17496135, 18191555, 20528085, 25719095, 32744799, 36950553, 46294371, 54574665, 61584255, 77157285, 98234397, 138883113, 149170751, 163723995, 184752765, 231471855, 447512253, 491171985, 694415565, 745853755, 1342536759, 2237561265, 4027610277, 6712683795, 20138051385]

約数ペア:

[(1, 20138051385), (3, 6712683795), (5, 4027610277), (9, 2237561265), (15, 1342536759), (27, 745853755), (29, 694415565), (41, 491171985), (45, 447512253), (87, 231471855), (109, 184752765), (123, 163723995), (135, 149170751), (145, 138883113), (205, 98234397), (261, 77157285), (327, 61584255), (369, 54574665), (435, 46294371), (545, 36950553), (615, 32744799), (783, 25719095), (981, 20528085), (1107, 18191555), (1151, 17496135), (1189, 16936965), (1305, 15431457), (1635, 12316851), (1845, 10914933), (2943, 6842695), (3161, 6370785), (3453, 5832045), (3567, 5645655), (3915, 5143819), (4469, 4506165), (4905, 4105617), (5535, 3638311), (5755, 3499227), (5945, 3387393), (9483, 2123595), (10359, 1944015), (10701, 1881885), (13407, 1502055), (14715, 1368539), (15805, 1274157), (17265, 1166409), (17835, 1129131), (22345, 901233), (28449, 707865), (31077, 648005), (32103, 627295), (33379, 603315), (40221, 500685), (47191, 426735), (47415, 424719), (51795, 388803), (53505, 376377), (67035, 300411), (85347, 235955), (100137, 201105), (120663, 166895), (125459, 160515), (129601, 155385), (141573, 142245)]