20438574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 44328480

約数和(自身を除く): 23889906

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1669, 2041, 3338, 4082, 5007, 6123, 10014, 12246, 21697, 43394, 65091, 130182, 262033, 524066, 786099, 1572198, 3406429, 6812858, 10219287, 20438574]

約数ペア:

[(1, 20438574), (2, 10219287), (3, 6812858), (6, 3406429), (13, 1572198), (26, 786099), (39, 524066), (78, 262033), (157, 130182), (314, 65091), (471, 43394), (942, 21697), (1669, 12246), (2041, 10014), (3338, 6123), (4082, 5007)]