20551368

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{2963}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 54596880

約数和(自身を除く): 34045512

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 2963, 3468, 5926, 6936, 8889, 11852, 17778, 23704, 35556, 50371, 71112, 100742, 151113, 201484, 302226, 402968, 604452, 856307, 1208904, 1712614, 2568921, 3425228, 5137842, 6850456, 10275684, 20551368]

約数ペア:

[(1, 20551368), (2, 10275684), (3, 6850456), (4, 5137842), (6, 3425228), (8, 2568921), (12, 1712614), (17, 1208904), (24, 856307), (34, 604452), (51, 402968), (68, 302226), (102, 201484), (136, 151113), (204, 100742), (289, 71112), (408, 50371), (578, 35556), (867, 23704), (1156, 17778), (1734, 11852), (2312, 8889), (2963, 6936), (3468, 5926)]