20379408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 60758016

約数和(自身を除く): 40378608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 463, 524, 786, 917, 926, 1048, 1389, 1572, 1834, 1852, 2096, 2751, 2778, 3144, 3241, 3668, 3704, 5502, 5556, 6288, 6482, 7336, 7408, 9723, 11004, 11112, 12964, 14672, 19446, 22008, 22224, 25928, 38892, 44016, 51856, 60653, 77784, 121306, 155568, 181959, 242612, 363918, 424571, 485224, 727836, 849142, 970448, 1273713, 1455672, 1698284, 2547426, 2911344, 3396568, 5094852, 6793136, 10189704, 20379408]

約数ペア:

[(1, 20379408), (2, 10189704), (3, 6793136), (4, 5094852), (6, 3396568), (7, 2911344), (8, 2547426), (12, 1698284), (14, 1455672), (16, 1273713), (21, 970448), (24, 849142), (28, 727836), (42, 485224), (48, 424571), (56, 363918), (84, 242612), (112, 181959), (131, 155568), (168, 121306), (262, 77784), (336, 60653), (393, 51856), (463, 44016), (524, 38892), (786, 25928), (917, 22224), (926, 22008), (1048, 19446), (1389, 14672), (1572, 12964), (1834, 11112), (1852, 11004), (2096, 9723), (2751, 7408), (2778, 7336), (3144, 6482), (3241, 6288), (3668, 5556), (3704, 5502)]