20167516928

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{17167}}^1$

素因数の和:17549

約数の個数: 72

約数和(自身を含む): 43478234688

約数和(自身を除く): 23310717760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 353, 416, 706, 832, 1412, 1664, 2824, 3328, 4589, 5648, 9178, 11296, 17167, 18356, 22592, 34334, 36712, 45184, 68668, 73424, 90368, 137336, 146848, 223171, 274672, 293696, 446342, 549344, 587392, 892684, 1098688, 1174784, 1785368, 2197376, 3570736, 4394752, 6059951, 7141472, 12119902, 14282944, 24239804, 28565888, 48479608, 57131776, 78779363, 96959216, 157558726, 193918432, 315117452, 387836864, 630234904, 775673728, 1260469808, 1551347456, 2520939616, 5041879232, 10083758464, 20167516928]

約数ペア:

[(1, 20167516928), (2, 10083758464), (4, 5041879232), (8, 2520939616), (13, 1551347456), (16, 1260469808), (26, 775673728), (32, 630234904), (52, 387836864), (64, 315117452), (104, 193918432), (128, 157558726), (208, 96959216), (256, 78779363), (353, 57131776), (416, 48479608), (706, 28565888), (832, 24239804), (1412, 14282944), (1664, 12119902), (2824, 7141472), (3328, 6059951), (4589, 4394752), (5648, 3570736), (9178, 2197376), (11296, 1785368), (17167, 1174784), (18356, 1098688), (22592, 892684), (34334, 587392), (36712, 549344), (45184, 446342), (68668, 293696), (73424, 274672), (90368, 223171), (137336, 146848)]