20693808

素因数分解:

$2^4\times 3^2\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1242

約数の個数: 60

約数和(自身を含む): 58409208

約数和(自身を除く): 37715400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 524, 786, 1048, 1097, 1179, 1572, 2096, 2194, 2358, 3144, 3291, 4388, 4716, 6288, 6582, 8776, 9432, 9873, 13164, 17552, 18864, 19746, 26328, 39492, 52656, 78984, 143707, 157968, 287414, 431121, 574828, 862242, 1149656, 1293363, 1724484, 2299312, 2586726, 3448968, 5173452, 6897936, 10346904, 20693808]

約数ペア:

[(1, 20693808), (2, 10346904), (3, 6897936), (4, 5173452), (6, 3448968), (8, 2586726), (9, 2299312), (12, 1724484), (16, 1293363), (18, 1149656), (24, 862242), (36, 574828), (48, 431121), (72, 287414), (131, 157968), (144, 143707), (262, 78984), (393, 52656), (524, 39492), (786, 26328), (1048, 19746), (1097, 18864), (1179, 17552), (1572, 13164), (2096, 9873), (2194, 9432), (2358, 8776), (3144, 6582), (3291, 6288), (4388, 4716)]