20911960899

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{20731}}^1$

素因数の和:21120

約数の個数: 48

約数和(自身を含む): 33764964480

約数和(自身を除く): 12853003581

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 347, 969, 1041, 2907, 3123, 5899, 6593, 17697, 19779, 20731, 53091, 59337, 62193, 112081, 186579, 336243, 352427, 393889, 1008729, 1057281, 1181667, 3171843, 3545001, 6696113, 7193657, 20088339, 21580971, 60265017, 64742913, 122292169, 136679483, 366876507, 410038449, 1100629521, 1230115347, 2323551211, 6970653633, 20911960899]

約数ペア:

[(1, 20911960899), (3, 6970653633), (9, 2323551211), (17, 1230115347), (19, 1100629521), (51, 410038449), (57, 366876507), (153, 136679483), (171, 122292169), (323, 64742913), (347, 60265017), (969, 21580971), (1041, 20088339), (2907, 7193657), (3123, 6696113), (5899, 3545001), (6593, 3171843), (17697, 1181667), (19779, 1057281), (20731, 1008729), (53091, 393889), (59337, 352427), (62193, 336243), (112081, 186579)]