20142928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 42450408

約数和(自身を除く): 22307480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 857, 904, 1469, 1714, 1808, 2938, 3428, 5876, 6856, 11141, 11752, 13712, 22282, 23504, 44564, 89128, 96841, 178256, 193682, 387364, 774728, 1258933, 1549456, 2517866, 5035732, 10071464, 20142928]

約数ペア:

[(1, 20142928), (2, 10071464), (4, 5035732), (8, 2517866), (13, 1549456), (16, 1258933), (26, 774728), (52, 387364), (104, 193682), (113, 178256), (208, 96841), (226, 89128), (452, 44564), (857, 23504), (904, 22282), (1469, 13712), (1714, 11752), (1808, 11141), (2938, 6856), (3428, 5876)]