20716536

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34320264

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 181, 228, 251, 362, 456, 502, 543, 724, 753, 1004, 1086, 1448, 1506, 2008, 2172, 3012, 3439, 4344, 4769, 6024, 6878, 9538, 10317, 13756, 14307, 19076, 20634, 27512, 28614, 38152, 41268, 45431, 57228, 82536, 90862, 114456, 136293, 181724, 272586, 363448, 545172, 863189, 1090344, 1726378, 2589567, 3452756, 5179134, 6905512, 10358268, 20716536]

約数ペア:

[(1, 20716536), (2, 10358268), (3, 6905512), (4, 5179134), (6, 3452756), (8, 2589567), (12, 1726378), (19, 1090344), (24, 863189), (38, 545172), (57, 363448), (76, 272586), (114, 181724), (152, 136293), (181, 114456), (228, 90862), (251, 82536), (362, 57228), (456, 45431), (502, 41268), (543, 38152), (724, 28614), (753, 27512), (1004, 20634), (1086, 19076), (1448, 14307), (1506, 13756), (2008, 10317), (2172, 9538), (3012, 6878), (3439, 6024), (4344, 4769)]