20736408

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 66240000

約数和(自身を除く): 45503592

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 229, 231, 264, 294, 308, 343, 392, 458, 462, 539, 588, 616, 686, 687, 916, 924, 1029, 1078, 1176, 1372, 1374, 1603, 1617, 1832, 1848, 2058, 2156, 2519, 2744, 2748, 3206, 3234, 3773, 4116, 4312, 4809, 5038, 5496, 6412, 6468, 7546, 7557, 8232, 9618, 10076, 11221, 11319, 12824, 12936, 15092, 15114, 17633, 19236, 20152, 22442, 22638, 30184, 30228, 33663, 35266, 38472, 44884, 45276, 52899, 60456, 67326, 70532, 78547, 89768, 90552, 105798, 123431, 134652, 141064, 157094, 211596, 235641, 246862, 269304, 314188, 370293, 423192, 471282, 493724, 628376, 740586, 864017, 942564, 987448, 1481172, 1728034, 1885128, 2592051, 2962344, 3456068, 5184102, 6912136, 10368204, 20736408]

約数ペア:

[(1, 20736408), (2, 10368204), (3, 6912136), (4, 5184102), (6, 3456068), (7, 2962344), (8, 2592051), (11, 1885128), (12, 1728034), (14, 1481172), (21, 987448), (22, 942564), (24, 864017), (28, 740586), (33, 628376), (42, 493724), (44, 471282), (49, 423192), (56, 370293), (66, 314188), (77, 269304), (84, 246862), (88, 235641), (98, 211596), (132, 157094), (147, 141064), (154, 134652), (168, 123431), (196, 105798), (229, 90552), (231, 89768), (264, 78547), (294, 70532), (308, 67326), (343, 60456), (392, 52899), (458, 45276), (462, 44884), (539, 38472), (588, 35266), (616, 33663), (686, 30228), (687, 30184), (916, 22638), (924, 22442), (1029, 20152), (1078, 19236), (1176, 17633), (1372, 15114), (1374, 15092), (1603, 12936), (1617, 12824), (1832, 11319), (1848, 11221), (2058, 10076), (2156, 9618), (2519, 8232), (2744, 7557), (2748, 7546), (3206, 6468), (3234, 6412), (3773, 5496), (4116, 5038), (4312, 4809)]