20858808

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 34581192

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 149, 152, 228, 298, 307, 447, 456, 596, 614, 894, 921, 1192, 1228, 1788, 1842, 2456, 2831, 3576, 3684, 5662, 5833, 7368, 8493, 11324, 11666, 16986, 17499, 22648, 23332, 33972, 34998, 45743, 46664, 67944, 69996, 91486, 137229, 139992, 182972, 274458, 365944, 548916, 869117, 1097832, 1738234, 2607351, 3476468, 5214702, 6952936, 10429404, 20858808]

約数ペア:

[(1, 20858808), (2, 10429404), (3, 6952936), (4, 5214702), (6, 3476468), (8, 2607351), (12, 1738234), (19, 1097832), (24, 869117), (38, 548916), (57, 365944), (76, 274458), (114, 182972), (149, 139992), (152, 137229), (228, 91486), (298, 69996), (307, 67944), (447, 46664), (456, 45743), (596, 34998), (614, 33972), (894, 23332), (921, 22648), (1192, 17499), (1228, 16986), (1788, 11666), (1842, 11324), (2456, 8493), (2831, 7368), (3576, 5833), (3684, 5662)]