20015296

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1101

約数の個数: 56

約数和(自身を含む): 46492160

約数和(自身を除く): 26476864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1039, 1204, 1376, 2078, 2408, 2752, 4156, 4816, 7273, 8312, 9632, 14546, 16624, 19264, 29092, 33248, 44677, 58184, 66496, 89354, 116368, 178708, 232736, 312739, 357416, 465472, 625478, 714832, 1250956, 1429664, 2501912, 2859328, 5003824, 10007648, 20015296]

約数ペア:

[(1, 20015296), (2, 10007648), (4, 5003824), (7, 2859328), (8, 2501912), (14, 1429664), (16, 1250956), (28, 714832), (32, 625478), (43, 465472), (56, 357416), (64, 312739), (86, 232736), (112, 178708), (172, 116368), (224, 89354), (301, 66496), (344, 58184), (448, 44677), (602, 33248), (688, 29092), (1039, 19264), (1204, 16624), (1376, 14546), (2078, 9632), (2408, 8312), (2752, 7273), (4156, 4816)]