20194683639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1\times {\mathrm{643}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 31076204544

約数和(自身を除く): 10881520905

約数列:

[1, 3, 13, 17, 39, 51, 127, 221, 373, 381, 643, 663, 1119, 1651, 1929, 2159, 4849, 4953, 6341, 6477, 8359, 10931, 14547, 19023, 25077, 28067, 32793, 47371, 81661, 82433, 84201, 142103, 142113, 239839, 244983, 247299, 426309, 615823, 719517, 805307, 1061593, 1388237, 1847469, 2415921, 3117907, 3184779, 4077263, 4164711, 9353721, 10468991, 12231789, 18047081, 30459553, 31406973, 53004419, 54141243, 91378659, 159013257, 395974189, 517812401, 1187922567, 1553437203, 6731561213, 20194683639]

約数ペア:

[(1, 20194683639), (3, 6731561213), (13, 1553437203), (17, 1187922567), (39, 517812401), (51, 395974189), (127, 159013257), (221, 91378659), (373, 54141243), (381, 53004419), (643, 31406973), (663, 30459553), (1119, 18047081), (1651, 12231789), (1929, 10468991), (2159, 9353721), (4849, 4164711), (4953, 4077263), (6341, 3184779), (6477, 3117907), (8359, 2415921), (10931, 1847469), (14547, 1388237), (19023, 1061593), (25077, 805307), (28067, 719517), (32793, 615823), (47371, 426309), (81661, 247299), (82433, 244983), (84201, 239839), (142103, 142113)]