20233797376

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{319993}}^1$

素因数の和:320041

約数の個数: 72

約数和(自身を含む): 45784741520

約数和(自身を除く): 25550944144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 7904, 15808, 31616, 63232, 319993, 639986, 1279972, 2559944, 4159909, 5119888, 6079867, 8319818, 10239776, 12159734, 16639636, 20479552, 24319468, 33279272, 40959104, 48638936, 66558544, 79038271, 81918208, 97277872, 133117088, 158076542, 194555744, 266234176, 316153084, 389111488, 532468352, 632306168, 778222976, 1064936704, 1264612336, 1556445952, 2529224672, 5058449344, 10116898688, 20233797376]

約数ペア:

[(1, 20233797376), (2, 10116898688), (4, 5058449344), (8, 2529224672), (13, 1556445952), (16, 1264612336), (19, 1064936704), (26, 778222976), (32, 632306168), (38, 532468352), (52, 389111488), (64, 316153084), (76, 266234176), (104, 194555744), (128, 158076542), (152, 133117088), (208, 97277872), (247, 81918208), (256, 79038271), (304, 66558544), (416, 48638936), (494, 40959104), (608, 33279272), (832, 24319468), (988, 20479552), (1216, 16639636), (1664, 12159734), (1976, 10239776), (2432, 8319818), (3328, 6079867), (3952, 5119888), (4864, 4159909), (7904, 2559944), (15808, 1279972), (31616, 639986), (63232, 319993)]