20225968

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 24771152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 431, 838, 862, 1676, 1724, 2933, 3017, 3352, 3448, 5866, 6034, 6704, 6896, 11732, 12068, 23464, 24136, 46928, 48272, 180589, 361178, 722356, 1264123, 1444712, 2528246, 2889424, 5056492, 10112984, 20225968]

約数ペア:

[(1, 20225968), (2, 10112984), (4, 5056492), (7, 2889424), (8, 2528246), (14, 1444712), (16, 1264123), (28, 722356), (56, 361178), (112, 180589), (419, 48272), (431, 46928), (838, 24136), (862, 23464), (1676, 12068), (1724, 11732), (2933, 6896), (3017, 6704), (3352, 6034), (3448, 5866)]