20698384

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1592

約数の個数: 60

約数和(自身を含む): 49426524

約数和(自身を除く): 28728140

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1553, 1666, 1904, 3106, 3332, 6212, 6664, 10871, 12424, 13328, 21742, 24848, 26401, 43484, 52802, 76097, 86968, 105604, 152194, 173936, 184807, 211208, 304388, 369614, 422416, 608776, 739228, 1217552, 1293649, 1478456, 2587298, 2956912, 5174596, 10349192, 20698384]

約数ペア:

[(1, 20698384), (2, 10349192), (4, 5174596), (7, 2956912), (8, 2587298), (14, 1478456), (16, 1293649), (17, 1217552), (28, 739228), (34, 608776), (49, 422416), (56, 369614), (68, 304388), (98, 211208), (112, 184807), (119, 173936), (136, 152194), (196, 105604), (238, 86968), (272, 76097), (392, 52802), (476, 43484), (784, 26401), (833, 24848), (952, 21742), (1553, 13328), (1666, 12424), (1904, 10871), (3106, 6664), (3332, 6212)]