20646976

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2747

約数の個数: 56

約数和(自身を含む): 49597056

約数和(自身を除く): 28950080

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2711, 3808, 5422, 7616, 10844, 18977, 21688, 37954, 43376, 46087, 75908, 86752, 92174, 151816, 173504, 184348, 303632, 322609, 368696, 607264, 645218, 737392, 1214528, 1290436, 1474784, 2580872, 2949568, 5161744, 10323488, 20646976]

約数ペア:

[(1, 20646976), (2, 10323488), (4, 5161744), (7, 2949568), (8, 2580872), (14, 1474784), (16, 1290436), (17, 1214528), (28, 737392), (32, 645218), (34, 607264), (56, 368696), (64, 322609), (68, 303632), (112, 184348), (119, 173504), (136, 151816), (224, 92174), (238, 86752), (272, 75908), (448, 46087), (476, 43376), (544, 37954), (952, 21688), (1088, 18977), (1904, 10844), (2711, 7616), (3808, 5422)]