20123781392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{46049}}^1$

素因数の和:46272

約数の個数: 80

約数和(自身を含む): 46047052800

約数和(自身を除く): 25923271408

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 191, 208, 286, 382, 572, 764, 1144, 1528, 2101, 2288, 2483, 3056, 4202, 4966, 8404, 9932, 16808, 19864, 27313, 33616, 39728, 46049, 54626, 92098, 109252, 184196, 218504, 368392, 437008, 506539, 598637, 736784, 1013078, 1197274, 2026156, 2394548, 4052312, 4789096, 6585007, 8104624, 8795359, 9578192, 13170014, 17590718, 26340028, 35181436, 52680056, 70362872, 96748949, 105360112, 114339667, 140725744, 193497898, 228679334, 386995796, 457358668, 773991592, 914717336, 1257736337, 1547983184, 1829434672, 2515472674, 5030945348, 10061890696, 20123781392]

約数ペア:

[(1, 20123781392), (2, 10061890696), (4, 5030945348), (8, 2515472674), (11, 1829434672), (13, 1547983184), (16, 1257736337), (22, 914717336), (26, 773991592), (44, 457358668), (52, 386995796), (88, 228679334), (104, 193497898), (143, 140725744), (176, 114339667), (191, 105360112), (208, 96748949), (286, 70362872), (382, 52680056), (572, 35181436), (764, 26340028), (1144, 17590718), (1528, 13170014), (2101, 9578192), (2288, 8795359), (2483, 8104624), (3056, 6585007), (4202, 4789096), (4966, 4052312), (8404, 2394548), (9932, 2026156), (16808, 1197274), (19864, 1013078), (27313, 736784), (33616, 598637), (39728, 506539), (46049, 437008), (54626, 368392), (92098, 218504), (109252, 184196)]