20857896

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 60528000

約数和(自身を除く): 39670104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 79, 114, 152, 158, 171, 193, 228, 237, 316, 342, 386, 456, 474, 579, 632, 684, 711, 772, 948, 1158, 1368, 1422, 1501, 1544, 1737, 1896, 2316, 2844, 3002, 3474, 3667, 4503, 4632, 5688, 6004, 6948, 7334, 9006, 11001, 12008, 13509, 13896, 14668, 15247, 18012, 22002, 27018, 29336, 30494, 33003, 36024, 44004, 45741, 54036, 60988, 66006, 88008, 91482, 108072, 121976, 132012, 137223, 182964, 264024, 274446, 289693, 365928, 548892, 579386, 869079, 1097784, 1158772, 1738158, 2317544, 2607237, 3476316, 5214474, 6952632, 10428948, 20857896]

約数ペア:

[(1, 20857896), (2, 10428948), (3, 6952632), (4, 5214474), (6, 3476316), (8, 2607237), (9, 2317544), (12, 1738158), (18, 1158772), (19, 1097784), (24, 869079), (36, 579386), (38, 548892), (57, 365928), (72, 289693), (76, 274446), (79, 264024), (114, 182964), (152, 137223), (158, 132012), (171, 121976), (193, 108072), (228, 91482), (237, 88008), (316, 66006), (342, 60988), (386, 54036), (456, 45741), (474, 44004), (579, 36024), (632, 33003), (684, 30494), (711, 29336), (772, 27018), (948, 22002), (1158, 18012), (1368, 15247), (1422, 14668), (1501, 13896), (1544, 13509), (1737, 12008), (1896, 11001), (2316, 9006), (2844, 7334), (3002, 6948), (3474, 6004), (3667, 5688), (4503, 4632)]