20180752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 24102128

約数列:

[1, 2, 4, 8, 16, 23, 29, 31, 46, 58, 61, 62, 92, 116, 122, 124, 184, 232, 244, 248, 368, 464, 488, 496, 667, 713, 899, 976, 1334, 1403, 1426, 1769, 1798, 1891, 2668, 2806, 2852, 3538, 3596, 3782, 5336, 5612, 5704, 7076, 7192, 7564, 10672, 11224, 11408, 14152, 14384, 15128, 20677, 22448, 28304, 30256, 40687, 41354, 43493, 54839, 81374, 82708, 86986, 109678, 162748, 165416, 173972, 219356, 325496, 330832, 347944, 438712, 650992, 695888, 877424, 1261297, 2522594, 5045188, 10090376, 20180752]

約数ペア:

[(1, 20180752), (2, 10090376), (4, 5045188), (8, 2522594), (16, 1261297), (23, 877424), (29, 695888), (31, 650992), (46, 438712), (58, 347944), (61, 330832), (62, 325496), (92, 219356), (116, 173972), (122, 165416), (124, 162748), (184, 109678), (232, 86986), (244, 82708), (248, 81374), (368, 54839), (464, 43493), (488, 41354), (496, 40687), (667, 30256), (713, 28304), (899, 22448), (976, 20677), (1334, 15128), (1403, 14384), (1426, 14152), (1769, 11408), (1798, 11224), (1891, 10672), (2668, 7564), (2806, 7192), (2852, 7076), (3538, 5704), (3596, 5612), (3782, 5336)]