20741497812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{13967}}^1$

素因数の和:14138

約数の個数: 144

約数和(自身を含む): 61500321792

約数和(自身を除く): 40758823980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 83, 84, 126, 142, 166, 213, 249, 252, 284, 332, 426, 497, 498, 581, 639, 747, 852, 994, 996, 1162, 1278, 1491, 1494, 1743, 1988, 2324, 2556, 2982, 2988, 3486, 4473, 5229, 5893, 5964, 6972, 8946, 10458, 11786, 13967, 17679, 17892, 20916, 23572, 27934, 35358, 41251, 41901, 53037, 55868, 70716, 82502, 83802, 97769, 106074, 123753, 125703, 165004, 167604, 195538, 212148, 247506, 251406, 293307, 371259, 391076, 495012, 502812, 586614, 742518, 879921, 991657, 1159261, 1173228, 1485036, 1759842, 1983314, 2318522, 2974971, 3477783, 3519684, 3966628, 4637044, 5949942, 6941599, 6955566, 8114827, 8924913, 10433349, 11899884, 13883198, 13911132, 16229654, 17849826, 20824797, 20866698, 24344481, 27766396, 32459308, 35699652, 41649594, 41733396, 48688962, 62474391, 73033443, 82307531, 83299188, 97377924, 124948782, 146066886, 164615062, 246922593, 249897564, 292133772, 329230124, 493845186, 576152717, 740767779, 987690372, 1152305434, 1481535558, 1728458151, 2304610868, 2963071116, 3456916302, 5185374453, 6913832604, 10370748906, 20741497812]

約数ペア:

[(1, 20741497812), (2, 10370748906), (3, 6913832604), (4, 5185374453), (6, 3456916302), (7, 2963071116), (9, 2304610868), (12, 1728458151), (14, 1481535558), (18, 1152305434), (21, 987690372), (28, 740767779), (36, 576152717), (42, 493845186), (63, 329230124), (71, 292133772), (83, 249897564), (84, 246922593), (126, 164615062), (142, 146066886), (166, 124948782), (213, 97377924), (249, 83299188), (252, 82307531), (284, 73033443), (332, 62474391), (426, 48688962), (497, 41733396), (498, 41649594), (581, 35699652), (639, 32459308), (747, 27766396), (852, 24344481), (994, 20866698), (996, 20824797), (1162, 17849826), (1278, 16229654), (1491, 13911132), (1494, 13883198), (1743, 11899884), (1988, 10433349), (2324, 8924913), (2556, 8114827), (2982, 6955566), (2988, 6941599), (3486, 5949942), (4473, 4637044), (5229, 3966628), (5893, 3519684), (5964, 3477783), (6972, 2974971), (8946, 2318522), (10458, 1983314), (11786, 1759842), (13967, 1485036), (17679, 1173228), (17892, 1159261), (20916, 991657), (23572, 879921), (27934, 742518), (35358, 586614), (41251, 502812), (41901, 495012), (53037, 391076), (55868, 371259), (70716, 293307), (82502, 251406), (83802, 247506), (97769, 212148), (106074, 195538), (123753, 167604), (125703, 165004)]