20176918208

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{1381}}^1\times {\mathrm{5309}}^1$

素因数の和:6745

約数の個数: 56

約数和(自身を含む): 41007090960

約数和(自身を除く): 20830172752

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 1381, 2752, 2762, 5309, 5524, 10618, 11048, 21236, 22096, 42472, 44192, 59383, 84944, 88384, 118766, 169888, 228287, 237532, 339776, 456574, 475064, 913148, 950128, 1826296, 1900256, 3652592, 3800512, 7305184, 7331729, 14610368, 14663458, 29326916, 58653832, 117307664, 234615328, 315264347, 469230656, 630528694, 1261057388, 2522114776, 5044229552, 10088459104, 20176918208]

約数ペア:

[(1, 20176918208), (2, 10088459104), (4, 5044229552), (8, 2522114776), (16, 1261057388), (32, 630528694), (43, 469230656), (64, 315264347), (86, 234615328), (172, 117307664), (344, 58653832), (688, 29326916), (1376, 14663458), (1381, 14610368), (2752, 7331729), (2762, 7305184), (5309, 3800512), (5524, 3652592), (10618, 1900256), (11048, 1826296), (21236, 950128), (22096, 913148), (42472, 475064), (44192, 456574), (59383, 339776), (84944, 237532), (88384, 228287), (118766, 169888)]