20194649984

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1242289}}^1$

素因数の和:1242430

約数の個数: 32

約数和(自身を含む): 40548345600

約数和(自身を除く): 20353695616

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 16256, 1242289, 2484578, 4969156, 9938312, 19876624, 39753248, 79506496, 157770703, 159012992, 315541406, 631082812, 1262165624, 2524331248, 5048662496, 10097324992, 20194649984]

約数ペア:

[(1, 20194649984), (2, 10097324992), (4, 5048662496), (8, 2524331248), (16, 1262165624), (32, 631082812), (64, 315541406), (127, 159012992), (128, 157770703), (254, 79506496), (508, 39753248), (1016, 19876624), (2032, 9938312), (4064, 4969156), (8128, 2484578), (16256, 1242289)]