20397336

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34639464

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1091, 1558, 2182, 2337, 3116, 3273, 4364, 4674, 6232, 6546, 8728, 9348, 13092, 18696, 20729, 26184, 41458, 44731, 62187, 82916, 89462, 124374, 134193, 165832, 178924, 248748, 268386, 357848, 497496, 536772, 849889, 1073544, 1699778, 2549667, 3399556, 5099334, 6799112, 10198668, 20397336]

約数ペア:

[(1, 20397336), (2, 10198668), (3, 6799112), (4, 5099334), (6, 3399556), (8, 2549667), (12, 1699778), (19, 1073544), (24, 849889), (38, 536772), (41, 497496), (57, 357848), (76, 268386), (82, 248748), (114, 178924), (123, 165832), (152, 134193), (164, 124374), (228, 89462), (246, 82916), (328, 62187), (456, 44731), (492, 41458), (779, 26184), (984, 20729), (1091, 18696), (1558, 13092), (2182, 9348), (2337, 8728), (3116, 6546), (3273, 6232), (4364, 4674)]