20120840172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{95819}}^1$

素因数の和:96155

約数の個数: 72

約数和(自身を含む): 53712859200

約数和(自身を除く): 33592019028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 307, 342, 614, 684, 921, 1228, 1842, 2763, 3684, 5526, 5833, 11052, 11666, 17499, 23332, 34998, 52497, 69996, 95819, 104994, 191638, 209988, 287457, 383276, 574914, 862371, 1149828, 1724742, 1820561, 3449484, 3641122, 5461683, 7282244, 10923366, 16385049, 21846732, 29416433, 32770098, 58832866, 65540196, 88249299, 117665732, 176498598, 264747897, 352997196, 529495794, 558912227, 1058991588, 1117824454, 1676736681, 2235648908, 3353473362, 5030210043, 6706946724, 10060420086, 20120840172]

約数ペア:

[(1, 20120840172), (2, 10060420086), (3, 6706946724), (4, 5030210043), (6, 3353473362), (9, 2235648908), (12, 1676736681), (18, 1117824454), (19, 1058991588), (36, 558912227), (38, 529495794), (57, 352997196), (76, 264747897), (114, 176498598), (171, 117665732), (228, 88249299), (307, 65540196), (342, 58832866), (614, 32770098), (684, 29416433), (921, 21846732), (1228, 16385049), (1842, 10923366), (2763, 7282244), (3684, 5461683), (5526, 3641122), (5833, 3449484), (11052, 1820561), (11666, 1724742), (17499, 1149828), (23332, 862371), (34998, 574914), (52497, 383276), (69996, 287457), (95819, 209988), (104994, 191638)]