20814144

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 40633536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 269, 312, 372, 403, 416, 496, 538, 624, 744, 806, 807, 832, 992, 1076, 1209, 1248, 1488, 1612, 1614, 1984, 2152, 2418, 2496, 2976, 3224, 3228, 3497, 4304, 4836, 5952, 6448, 6456, 6994, 8339, 8608, 9672, 10491, 12896, 12912, 13988, 16678, 17216, 19344, 20982, 25017, 25792, 25824, 27976, 33356, 38688, 41964, 50034, 51648, 55952, 66712, 77376, 83928, 100068, 108407, 111904, 133424, 167856, 200136, 216814, 223808, 266848, 325221, 335712, 400272, 433628, 533696, 650442, 671424, 800544, 867256, 1300884, 1601088, 1734512, 2601768, 3469024, 5203536, 6938048, 10407072, 20814144]

約数ペア:

[(1, 20814144), (2, 10407072), (3, 6938048), (4, 5203536), (6, 3469024), (8, 2601768), (12, 1734512), (13, 1601088), (16, 1300884), (24, 867256), (26, 800544), (31, 671424), (32, 650442), (39, 533696), (48, 433628), (52, 400272), (62, 335712), (64, 325221), (78, 266848), (93, 223808), (96, 216814), (104, 200136), (124, 167856), (156, 133424), (186, 111904), (192, 108407), (208, 100068), (248, 83928), (269, 77376), (312, 66712), (372, 55952), (403, 51648), (416, 50034), (496, 41964), (538, 38688), (624, 33356), (744, 27976), (806, 25824), (807, 25792), (832, 25017), (992, 20982), (1076, 19344), (1209, 17216), (1248, 16678), (1488, 13988), (1612, 12912), (1614, 12896), (1984, 10491), (2152, 9672), (2418, 8608), (2496, 8339), (2976, 6994), (3224, 6456), (3228, 6448), (3497, 5952), (4304, 4836)]