20447104

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5153}}^1$

素因数の和:5198

約数の個数: 32

約数和(自身を含む): 42056640

約数和(自身を除く): 21609536

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5153, 10306, 20612, 41224, 82448, 159743, 164896, 319486, 329792, 638972, 659584, 1277944, 2555888, 5111776, 10223552, 20447104]

約数ペア:

[(1, 20447104), (2, 10223552), (4, 5111776), (8, 2555888), (16, 1277944), (31, 659584), (32, 638972), (62, 329792), (64, 319486), (124, 164896), (128, 159743), (248, 82448), (496, 41224), (992, 20612), (1984, 10306), (3968, 5153)]