20862534

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6481

約数の個数: 48

約数和(自身を含む): 52958016

約数和(自身を除く): 32095482

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6451, 12902, 19353, 38706, 45157, 70961, 90314, 135471, 141922, 212883, 270942, 316099, 425766, 496727, 632198, 948297, 993454, 1490181, 1896594, 2980362, 3477089, 6954178, 10431267, 20862534]

約数ペア:

[(1, 20862534), (2, 10431267), (3, 6954178), (6, 3477089), (7, 2980362), (11, 1896594), (14, 1490181), (21, 993454), (22, 948297), (33, 632198), (42, 496727), (49, 425766), (66, 316099), (77, 270942), (98, 212883), (147, 141922), (154, 135471), (231, 90314), (294, 70961), (462, 45157), (539, 38706), (1078, 19353), (1617, 12902), (3234, 6451)]