20547584

素因数分解:

$2^{11}\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 21385216

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 127, 128, 158, 254, 256, 316, 508, 512, 632, 1016, 1024, 1264, 2032, 2048, 2528, 4064, 5056, 8128, 10033, 10112, 16256, 20066, 20224, 32512, 40132, 40448, 65024, 80264, 80896, 130048, 160528, 161792, 260096, 321056, 642112, 1284224, 2568448, 5136896, 10273792, 20547584]

約数ペア:

[(1, 20547584), (2, 10273792), (4, 5136896), (8, 2568448), (16, 1284224), (32, 642112), (64, 321056), (79, 260096), (127, 161792), (128, 160528), (158, 130048), (254, 80896), (256, 80264), (316, 65024), (508, 40448), (512, 40132), (632, 32512), (1016, 20224), (1024, 20066), (1264, 16256), (2032, 10112), (2048, 10033), (2528, 8128), (4064, 5056)]