20764744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2593}}^1$

素因数の和:2630

約数の個数: 64

約数和(自身を含む): 52295040

約数和(自身を除く): 31530296

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2593, 4004, 5186, 8008, 10372, 18151, 20744, 28523, 33709, 36302, 57046, 67418, 72604, 114092, 134836, 145208, 199661, 228184, 235963, 269672, 370799, 399322, 471926, 741598, 798644, 943852, 1483196, 1597288, 1887704, 2595593, 2966392, 5191186, 10382372, 20764744]

約数ペア:

[(1, 20764744), (2, 10382372), (4, 5191186), (7, 2966392), (8, 2595593), (11, 1887704), (13, 1597288), (14, 1483196), (22, 943852), (26, 798644), (28, 741598), (44, 471926), (52, 399322), (56, 370799), (77, 269672), (88, 235963), (91, 228184), (104, 199661), (143, 145208), (154, 134836), (182, 114092), (286, 72604), (308, 67418), (364, 57046), (572, 36302), (616, 33709), (728, 28523), (1001, 20744), (1144, 18151), (2002, 10372), (2593, 8008), (4004, 5186)]