20224792

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 45745920

約数和(自身を除く): 25521128

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 43, 56, 74, 86, 148, 172, 227, 259, 296, 301, 344, 454, 518, 602, 908, 1036, 1204, 1589, 1591, 1816, 2072, 2408, 3178, 3182, 6356, 6364, 8399, 9761, 11137, 12712, 12728, 16798, 19522, 22274, 33596, 39044, 44548, 58793, 67192, 68327, 78088, 89096, 117586, 136654, 235172, 273308, 361157, 470344, 546616, 722314, 1444628, 2528099, 2889256, 5056198, 10112396, 20224792]

約数ペア:

[(1, 20224792), (2, 10112396), (4, 5056198), (7, 2889256), (8, 2528099), (14, 1444628), (28, 722314), (37, 546616), (43, 470344), (56, 361157), (74, 273308), (86, 235172), (148, 136654), (172, 117586), (227, 89096), (259, 78088), (296, 68327), (301, 67192), (344, 58793), (454, 44548), (518, 39044), (602, 33596), (908, 22274), (1036, 19522), (1204, 16798), (1589, 12728), (1591, 12712), (1816, 11137), (2072, 9761), (2408, 8399), (3178, 6364), (3182, 6356)]