20804828096

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{43793}}^1$

素因数の和:44389

約数の個数: 56

約数和(自身を含む): 44539198704

約数和(自身を除く): 23734370608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 571, 832, 1142, 2284, 4568, 7423, 9136, 14846, 18272, 29692, 36544, 43793, 59384, 87586, 118768, 175172, 237536, 350344, 475072, 569309, 700688, 1138618, 1401376, 2277236, 2802752, 4554472, 9108944, 18217888, 25005803, 36435776, 50011606, 100023212, 200046424, 325075439, 400092848, 650150878, 800185696, 1300301756, 1600371392, 2600603512, 5201207024, 10402414048, 20804828096]

約数ペア:

[(1, 20804828096), (2, 10402414048), (4, 5201207024), (8, 2600603512), (13, 1600371392), (16, 1300301756), (26, 800185696), (32, 650150878), (52, 400092848), (64, 325075439), (104, 200046424), (208, 100023212), (416, 50011606), (571, 36435776), (832, 25005803), (1142, 18217888), (2284, 9108944), (4568, 4554472), (7423, 2802752), (9136, 2277236), (14846, 1401376), (18272, 1138618), (29692, 700688), (36544, 569309), (43793, 475072), (59384, 350344), (87586, 237536), (118768, 175172)]