20922464

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 22514272

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 431, 592, 656, 862, 1184, 1312, 1517, 1724, 3034, 3448, 6068, 6896, 12136, 13792, 15947, 17671, 24272, 31894, 35342, 48544, 63788, 70684, 127576, 141368, 255152, 282736, 510304, 565472, 653827, 1307654, 2615308, 5230616, 10461232, 20922464]

約数ペア:

[(1, 20922464), (2, 10461232), (4, 5230616), (8, 2615308), (16, 1307654), (32, 653827), (37, 565472), (41, 510304), (74, 282736), (82, 255152), (148, 141368), (164, 127576), (296, 70684), (328, 63788), (431, 48544), (592, 35342), (656, 31894), (862, 24272), (1184, 17671), (1312, 15947), (1517, 13792), (1724, 12136), (3034, 6896), (3448, 6068)]