20199521666

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 32372352000

約数和(自身を除く): 12172830334

約数列:

[1, 2, 37, 59, 67, 74, 118, 134, 199, 347, 398, 694, 2183, 2479, 3953, 4366, 4958, 7363, 7906, 11741, 12839, 13333, 14726, 20473, 23249, 23482, 25678, 26666, 40946, 46498, 69053, 138106, 146261, 292522, 434417, 493321, 757501, 786647, 860213, 868834, 986642, 1371691, 1515002, 1573294, 1720426, 2554961, 2743382, 4074127, 4626551, 5109922, 8148254, 9253102, 29105939, 50752567, 58211878, 101505134, 150742699, 171182387, 272966509, 301485398, 342364774, 545933018, 10099760833, 20199521666]

約数ペア:

[(1, 20199521666), (2, 10099760833), (37, 545933018), (59, 342364774), (67, 301485398), (74, 272966509), (118, 171182387), (134, 150742699), (199, 101505134), (347, 58211878), (398, 50752567), (694, 29105939), (2183, 9253102), (2479, 8148254), (3953, 5109922), (4366, 4626551), (4958, 4074127), (7363, 2743382), (7906, 2554961), (11741, 1720426), (12839, 1573294), (13333, 1515002), (14726, 1371691), (20473, 986642), (23249, 868834), (23482, 860213), (25678, 786647), (26666, 757501), (40946, 493321), (46498, 434417), (69053, 292522), (138106, 146261)]