20611528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 45757440

約数和(自身を除く): 25145912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 383, 434, 766, 868, 961, 1532, 1736, 1922, 2681, 3064, 3844, 5362, 6727, 7688, 10724, 11873, 13454, 21448, 23746, 26908, 47492, 53816, 83111, 94984, 166222, 332444, 368063, 664888, 736126, 1472252, 2576441, 2944504, 5152882, 10305764, 20611528]

約数ペア:

[(1, 20611528), (2, 10305764), (4, 5152882), (7, 2944504), (8, 2576441), (14, 1472252), (28, 736126), (31, 664888), (56, 368063), (62, 332444), (124, 166222), (217, 94984), (248, 83111), (383, 53816), (434, 47492), (766, 26908), (868, 23746), (961, 21448), (1532, 13454), (1736, 11873), (1922, 10724), (2681, 7688), (3064, 6727), (3844, 5362)]