20860839856

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{311393}}^1$

素因数の和:311533

約数の個数: 40

約数和(自身を含む): 41701884480

約数和(自身を除く): 20841044624

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 316, 424, 632, 848, 1264, 4187, 8374, 16748, 33496, 66992, 311393, 622786, 1245572, 2491144, 4982288, 16503829, 24600047, 33007658, 49200094, 66015316, 98400188, 132030632, 196800376, 264061264, 393600752, 1303802491, 2607604982, 5215209964, 10430419928, 20860839856]

約数ペア:

[(1, 20860839856), (2, 10430419928), (4, 5215209964), (8, 2607604982), (16, 1303802491), (53, 393600752), (79, 264061264), (106, 196800376), (158, 132030632), (212, 98400188), (316, 66015316), (424, 49200094), (632, 33007658), (848, 24600047), (1264, 16503829), (4187, 4982288), (8374, 2491144), (16748, 1245572), (33496, 622786), (66992, 311393)]