20804953992

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1203

約数の個数: 128

約数和(自身を含む): 53706240000

約数和(自身を除く): 32901286008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 89, 139, 158, 178, 237, 267, 278, 316, 356, 417, 474, 534, 556, 632, 712, 834, 887, 948, 1068, 1112, 1668, 1774, 1896, 2136, 2661, 3336, 3548, 5322, 7031, 7096, 10644, 10981, 12371, 14062, 21093, 21288, 21962, 24742, 28124, 32943, 37113, 42186, 43924, 49484, 56248, 65886, 70073, 74226, 78943, 84372, 87848, 98968, 123293, 131772, 140146, 148452, 157886, 168744, 210219, 236829, 246586, 263544, 280292, 296904, 315772, 369879, 420438, 473658, 493172, 560584, 631544, 739758, 840876, 947316, 977309, 986344, 1479516, 1681752, 1894632, 1954618, 2931927, 2959032, 3909236, 5863854, 6236497, 7818472, 9740147, 10973077, 11727708, 12472994, 18709491, 19480294, 21946154, 23455416, 24945988, 29220441, 32919231, 37418982, 38960588, 43892308, 49891976, 58440882, 65838462, 74837964, 77921176, 87784616, 116881764, 131676924, 149675928, 233763528, 263353848, 866873083, 1733746166, 2600619249, 3467492332, 5201238498, 6934984664, 10402476996, 20804953992]

約数ペア:

[(1, 20804953992), (2, 10402476996), (3, 6934984664), (4, 5201238498), (6, 3467492332), (8, 2600619249), (12, 1733746166), (24, 866873083), (79, 263353848), (89, 233763528), (139, 149675928), (158, 131676924), (178, 116881764), (237, 87784616), (267, 77921176), (278, 74837964), (316, 65838462), (356, 58440882), (417, 49891976), (474, 43892308), (534, 38960588), (556, 37418982), (632, 32919231), (712, 29220441), (834, 24945988), (887, 23455416), (948, 21946154), (1068, 19480294), (1112, 18709491), (1668, 12472994), (1774, 11727708), (1896, 10973077), (2136, 9740147), (2661, 7818472), (3336, 6236497), (3548, 5863854), (5322, 3909236), (7031, 2959032), (7096, 2931927), (10644, 1954618), (10981, 1894632), (12371, 1681752), (14062, 1479516), (21093, 986344), (21288, 977309), (21962, 947316), (24742, 840876), (28124, 739758), (32943, 631544), (37113, 560584), (42186, 493172), (43924, 473658), (49484, 420438), (56248, 369879), (65886, 315772), (70073, 296904), (74226, 280292), (78943, 263544), (84372, 246586), (87848, 236829), (98968, 210219), (123293, 168744), (131772, 157886), (140146, 148452)]