20473376

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1222

約数の個数: 72

約数和(自身を含む): 51193296

約数和(自身を除く): 30719920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1187, 1232, 1568, 2156, 2374, 2464, 4312, 4748, 8309, 8624, 9496, 13057, 16618, 17248, 18992, 26114, 33236, 37984, 52228, 58163, 66472, 91399, 104456, 116326, 132944, 182798, 208912, 232652, 265888, 365596, 417824, 465304, 639793, 731192, 930608, 1279586, 1462384, 1861216, 2559172, 2924768, 5118344, 10236688, 20473376]

約数ペア:

[(1, 20473376), (2, 10236688), (4, 5118344), (7, 2924768), (8, 2559172), (11, 1861216), (14, 1462384), (16, 1279586), (22, 930608), (28, 731192), (32, 639793), (44, 465304), (49, 417824), (56, 365596), (77, 265888), (88, 232652), (98, 208912), (112, 182798), (154, 132944), (176, 116326), (196, 104456), (224, 91399), (308, 66472), (352, 58163), (392, 52228), (539, 37984), (616, 33236), (784, 26114), (1078, 18992), (1187, 17248), (1232, 16618), (1568, 13057), (2156, 9496), (2374, 8624), (2464, 8309), (4312, 4748)]