20664042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29102358

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 59, 62, 93, 118, 177, 186, 217, 269, 354, 413, 434, 538, 651, 807, 826, 1239, 1302, 1614, 1829, 1883, 2478, 3658, 3766, 5487, 5649, 8339, 10974, 11298, 12803, 15871, 16678, 25017, 25606, 31742, 38409, 47613, 50034, 58373, 76818, 95226, 111097, 116746, 175119, 222194, 333291, 350238, 492001, 666582, 984002, 1476003, 2952006, 3444007, 6888014, 10332021, 20664042]

約数ペア:

[(1, 20664042), (2, 10332021), (3, 6888014), (6, 3444007), (7, 2952006), (14, 1476003), (21, 984002), (31, 666582), (42, 492001), (59, 350238), (62, 333291), (93, 222194), (118, 175119), (177, 116746), (186, 111097), (217, 95226), (269, 76818), (354, 58373), (413, 50034), (434, 47613), (538, 38409), (651, 31742), (807, 25606), (826, 25017), (1239, 16678), (1302, 15871), (1614, 12803), (1829, 11298), (1883, 10974), (2478, 8339), (3658, 5649), (3766, 5487)]