20135888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 41637960

約数和(自身を除く): 21502072

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 181, 272, 362, 409, 724, 818, 1448, 1636, 2896, 3077, 3272, 6154, 6544, 6953, 12308, 13906, 24616, 27812, 49232, 55624, 74029, 111248, 148058, 296116, 592232, 1184464, 1258493, 2516986, 5033972, 10067944, 20135888]

約数ペア:

[(1, 20135888), (2, 10067944), (4, 5033972), (8, 2516986), (16, 1258493), (17, 1184464), (34, 592232), (68, 296116), (136, 148058), (181, 111248), (272, 74029), (362, 55624), (409, 49232), (724, 27812), (818, 24616), (1448, 13906), (1636, 12308), (2896, 6953), (3077, 6544), (3272, 6154)]