2020203896

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 4077734400

約数和(自身を除く): 2057530504

約数列:

[1, 2, 4, 8, 23, 46, 59, 71, 92, 118, 142, 184, 236, 284, 472, 568, 1357, 1633, 2621, 2714, 3266, 4189, 5242, 5428, 6532, 8378, 10484, 10856, 13064, 16756, 20968, 33512, 60283, 96347, 120566, 154639, 186091, 192694, 241132, 309278, 372182, 385388, 482264, 618556, 744364, 770776, 1237112, 1488728, 3556697, 4280093, 7113394, 8560186, 10979369, 14226788, 17120372, 21958738, 28453576, 34240744, 43917476, 87834952, 252525487, 505050974, 1010101948, 2020203896]

約数ペア:

[(1, 2020203896), (2, 1010101948), (4, 505050974), (8, 252525487), (23, 87834952), (46, 43917476), (59, 34240744), (71, 28453576), (92, 21958738), (118, 17120372), (142, 14226788), (184, 10979369), (236, 8560186), (284, 7113394), (472, 4280093), (568, 3556697), (1357, 1488728), (1633, 1237112), (2621, 770776), (2714, 744364), (3266, 618556), (4189, 482264), (5242, 385388), (5428, 372182), (6532, 309278), (8378, 241132), (10484, 192694), (10856, 186091), (13064, 154639), (16756, 120566), (20968, 96347), (33512, 60283)]