20668816968

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1970711}}^1$

素因数の和:1970762

約数の個数: 64

約数和(自身を含む): 56756505600

約数和(自身を除く): 36087688632

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 437, 456, 552, 874, 1311, 1748, 2622, 3496, 5244, 10488, 1970711, 3941422, 5912133, 7882844, 11824266, 15765688, 23648532, 37443509, 45326353, 47297064, 74887018, 90652706, 112330527, 135979059, 149774036, 181305412, 224661054, 271958118, 299548072, 362610824, 449322108, 543916236, 861200707, 898644216, 1087832472, 1722401414, 2583602121, 3444802828, 5167204242, 6889605656, 10334408484, 20668816968]

約数ペア:

[(1, 20668816968), (2, 10334408484), (3, 6889605656), (4, 5167204242), (6, 3444802828), (8, 2583602121), (12, 1722401414), (19, 1087832472), (23, 898644216), (24, 861200707), (38, 543916236), (46, 449322108), (57, 362610824), (69, 299548072), (76, 271958118), (92, 224661054), (114, 181305412), (138, 149774036), (152, 135979059), (184, 112330527), (228, 90652706), (276, 74887018), (437, 47297064), (456, 45326353), (552, 37443509), (874, 23648532), (1311, 15765688), (1748, 11824266), (2622, 7882844), (3496, 5912133), (5244, 3941422), (10488, 1970711)]