20950664

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27519736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 59, 68, 118, 119, 136, 236, 238, 373, 413, 472, 476, 746, 826, 952, 1003, 1492, 1652, 2006, 2611, 2984, 3304, 4012, 5222, 6341, 7021, 8024, 10444, 12682, 14042, 20888, 22007, 25364, 28084, 44014, 44387, 50728, 56168, 88028, 88774, 154049, 176056, 177548, 308098, 355096, 374119, 616196, 748238, 1232392, 1496476, 2618833, 2992952, 5237666, 10475332, 20950664]

約数ペア:

[(1, 20950664), (2, 10475332), (4, 5237666), (7, 2992952), (8, 2618833), (14, 1496476), (17, 1232392), (28, 748238), (34, 616196), (56, 374119), (59, 355096), (68, 308098), (118, 177548), (119, 176056), (136, 154049), (236, 88774), (238, 88028), (373, 56168), (413, 50728), (472, 44387), (476, 44014), (746, 28084), (826, 25364), (952, 22007), (1003, 20888), (1492, 14042), (1652, 12682), (2006, 10444), (2611, 8024), (2984, 7021), (3304, 6341), (4012, 5222)]