20139832

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 41555520

約数和(自身を除く): 21415688

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 281, 289, 527, 562, 578, 1054, 1124, 1156, 2108, 2248, 2312, 4216, 4777, 8711, 8959, 9554, 17422, 17918, 19108, 34844, 35836, 38216, 69688, 71672, 81209, 148087, 162418, 296174, 324836, 592348, 649672, 1184696, 2517479, 5034958, 10069916, 20139832]

約数ペア:

[(1, 20139832), (2, 10069916), (4, 5034958), (8, 2517479), (17, 1184696), (31, 649672), (34, 592348), (62, 324836), (68, 296174), (124, 162418), (136, 148087), (248, 81209), (281, 71672), (289, 69688), (527, 38216), (562, 35836), (578, 34844), (1054, 19108), (1124, 17918), (1156, 17422), (2108, 9554), (2248, 8959), (2312, 8711), (4216, 4777)]